江蘇省灌云縣四隊(duì)中學(xué)七年級(jí)英語上冊(cè)《Unit 5 Do you have a soccer ball》教學(xué)設(shè)計(jì) （新版）人教新目標(biāo)版.doc

unit 5 do you have a soccer ball?in this unit, students will talk about ownership and make suggestions.一、topics（話題）: spending time with friends二、functions (功能)talk about ownershipmake suggestions三、structures (結(jié)構(gòu))present tense: to have yes/no questions and short answersdo/dont, does/doesntaffirmative and negative statementsadjectives of qualityconjunction but四、target language (目標(biāo)語言)do you have a soccer ball?yes, i do./no, i dont. i have a ping-pong ball.does she have a tennis ball?no, she doesnt. she has a baseball.lets play computer games.五、vocabulary （詞匯）sports objects & adjectives of quality: sports, tennis, ball, ping-pong, soccer, volleyball, basketball, tv, interesting, boring, fun, difficult, relaxing, easy, do, does, have, has, go, get, play, like, love, let, sound, we, us, them, watch tv六、skills (技能)listening for main ideas scanning a reading text七、recycling （復(fù)習(xí)鞏固）wheres? its .八、教材分析本單元主要學(xué)習(xí)動(dòng)詞have的一般現(xiàn)在時(shí)的用法；使用do和does引導(dǎo)的一般疑問句的構(gòu)成以及簡(jiǎn)單回答。本單元圍繞“和朋友一起歡度時(shí)光”這一話題安排了三個(gè)任務(wù)：一是列舉所學(xué)的運(yùn)動(dòng)項(xiàng)目，從中挑選出各自喜歡的體育項(xiàng)目，并說明原因，目的是鞏固并新學(xué)一些體育項(xiàng)目的名詞；二是讓學(xué)生互相詢問所愛好的運(yùn)動(dòng)，并根據(jù)情況發(fā)出邀請(qǐng)，學(xué)會(huì)用have對(duì)物品的所屬進(jìn)行提問與回答，掌握用do和does引導(dǎo)的一般疑問句的構(gòu)成及使用，了解用lets提建議的句型；三是寫作，把任務(wù)一、二的完成情況寫成日記，進(jìn)一步復(fù)習(xí)、鞏固所學(xué)的語言目標(biāo)。section a1a，1b，1c重點(diǎn)學(xué)習(xí)表示運(yùn)動(dòng)及游戲名稱的詞。2a，2b，2c繼續(xù)學(xué)習(xí)表示運(yùn)動(dòng)的名詞并學(xué)習(xí)談?wù)撐镏麝P(guān)系。3a，3b，3c學(xué)習(xí)“提出建議”的功能句式。section b1a，1b，1c, 1d, 2a，2b，2c重點(diǎn)學(xué)習(xí)描述活動(dòng)狀況的形容詞。3a，3b，3c 閱讀介紹體育用品或其它物品的短文，學(xué)會(huì)寫介紹體育用品的小短文。self check復(fù)習(xí)并擴(kuò)充表示體育用品、描述活動(dòng)狀況的詞匯及表示提出建議的句型。九、學(xué)情分析本單元的主題是使用have對(duì)物品的所屬進(jìn)行提問及回答，以掌握行為動(dòng)詞在一般現(xiàn)在時(shí)中的構(gòu)成和使用；同時(shí)引導(dǎo)學(xué)生使用所學(xué)的句型談?wù)撟约涸谇蝾愡\(yùn)動(dòng)中的喜好。行為動(dòng)詞在一般現(xiàn)在時(shí)的肯定句、否定句和一般疑問句中的構(gòu)成和使用是初中英語教學(xué)中非常重要的內(nèi)容，本單元知識(shí)的掌握程度將直接影響今后的英語學(xué)習(xí)。學(xué)生在以前的學(xué)習(xí)中已經(jīng)掌握了be動(dòng)詞在一般現(xiàn)在時(shí)中的構(gòu)成和使用，在學(xué)生的頭腦中也已經(jīng)形成了一個(gè)模式，這種模式將直接影響學(xué)生對(duì)本單元知識(shí)內(nèi)容的接受，所以教師在教學(xué)中一定要善于引導(dǎo)，以免學(xué)生養(yǎng)成不良習(xí)慣。十、課時(shí)安排the first period (第一課時(shí)): section a (1a2d) the second period (第二課時(shí)): section a (grammar focus3c) the third period (第三課時(shí)): section b (1a1d)the fourth period (第四課時(shí)): section b (2a2c)the fifth period (第五課時(shí)): section b (3aself check)the first period (section a, 1a2d)teaching aims（教學(xué)目標(biāo)）1學(xué)會(huì)用have對(duì)物品的所屬進(jìn)行提問以及應(yīng)答;2. 學(xué)會(huì)使用do和does引導(dǎo)的一般疑問句;3. 學(xué)會(huì)用lets 提建議；4. 能夠談?wù)撟约合矚g哪些球類運(yùn)動(dòng)，不喜歡哪些球類運(yùn)動(dòng)。language points（語言點(diǎn)）1. 掌握以下重點(diǎn)句型：do youthey have ? does heshe have ? lets play soccerdo you/they have a tv? yes, i/they do. no, i/they dont. does he/she have a soccer ball? yes, he/she does. no, he/she doesnt.2要求掌握以下詞匯： 一些球類運(yùn)動(dòng)器材名詞tennis, bat, volley, basketball, television, interesting, boring, fun, difficult, relaxing, welcome, our, sports, center, like, we, many, club, ping-pong, more, join, classdifficulties（難點(diǎn)）：行為動(dòng)詞have的一般現(xiàn)在時(shí)的用法；使用do和does引導(dǎo)的一般疑問句的構(gòu)成和使用。teaching steps （教學(xué)步驟）lead in: t: good morning, everyone! last week, we finished unit 4. today we are going to start a new unit, unit 5. ask and answer a. t: can you tell me what the title of unit 5 is? yes, its “do you have a soccer ball?” what do you think the unit is about? b. t: great! in this unit, we are going to learn to talk about ownership and some sports words. “ownership” means “物品的所有者”. step 1: section a 1a t: first, please open your books to page 25 and look at activity 1a. 1look and find t: please look at the picture in activity 1a. there are some balls in it. do you know what kind of balls they are? 2match and discuss a. t: would you please match the words with the things in the picture? b. t: how many words do you know? can you share the words you know with your partners? c. t: please discuss with your partners and check whether your answers are the same. 3check the answers t: lets check the answers together. answers: 2f 3c 4e 5d 6b 4read a. t: please read the words after me. tennis ball . b. t: i would like you to read the words together and read each word twice. tennis racket, tenni racket . c. who would like to read the words to the class? d. lets read the words one by one again together. 【教學(xué)設(shè)計(jì)說明】采用discussion and guess和classifying的學(xué)習(xí)策略，利用實(shí)物、教學(xué)幻燈片、圖片等來展開課堂pairwork問答式的口語交際活動(dòng)，使用have對(duì)物品的所屬進(jìn)行提問及回答。step 2: section a 1b 1listen and circle a. t: listen to the recording for the first time. b. t: circle the words when you listen to it for the second time. 2check the answerst: lets check the answers. answers: circled items: ping-pong bat, ping-pong ball 3read a. t: i would like you to read the tape script together. b. t: would you please read it by yourselves three times? c. t: this time i would like you to read it twice with your partners. d. t: who would like to read it to the class? 4translate and explain a. t: who would like to tell us what the conversation means in chinese? b. t: when we want to know if someone has something, we use the sentence: “do you have .?” 【教學(xué)設(shè)計(jì)說明】聽lb部分的錄音，圈出所聽到的單 詞，并畫出相應(yīng)的圖片，完成1b部分的學(xué)習(xí)任務(wù)。教師平時(shí)收集課文中所涉及的或?qū)W生常見的球類運(yùn)動(dòng)器材或有關(guān)的教學(xué)幻燈片或圖片；設(shè)計(jì)課后鞏固練習(xí)的幻燈片；制作1a部分的插圖和人物對(duì)話的課件，將聽力部分的內(nèi)容插人，通過詢問對(duì)方的所屬以及回答來引入新課。step 3: section a 1c 1read t: would you like to read the conversation with your partners? 2practice a. t: would you please practice the conversation according to the picture in 1a? b. t: please present your conversations to the class. who would like to have a try? 【教學(xué)設(shè)計(jì)說明】pairwork活動(dòng)，完成lc部分口語交際的學(xué)習(xí)任務(wù)，學(xué)會(huì)運(yùn)用助動(dòng)詞do進(jìn)行問答。學(xué)生搜集自己所了解的或曾經(jīng)見過的球類運(yùn)動(dòng)器材的名稱，并通過詢問老師、同學(xué)或上網(wǎng)查詢的方式了解各種運(yùn)動(dòng)的競(jìng)賽方法。step 4: section a 2a 1look t: lets move to activity 2a now. 2listen and number a. t: now, lets listen to the recording for the first time. b. t: are you ready to do activity 2a? c. t: please number the pictures from 1 to 4 as you listen. d. t: listen again and please check your answers. 2check the answers t: do you have the answers? lets check them together. answers: 3, 1, 4, 2 【教學(xué)設(shè)計(jì)說明】聽2a部分的錄音，選出他們所聽到的對(duì)話并標(biāo)明順序，完成2a部分的學(xué)習(xí)任務(wù)。該部分學(xué)習(xí)內(nèi)容貼近學(xué)生的生活，談?wù)摰闹黝}是符合學(xué)生喜愛運(yùn)動(dòng)的心理，極易于激發(fā)學(xué)生學(xué)習(xí)英語的欲望和興趣，使他們樂于參與各種英語實(shí)踐活動(dòng)。step 5: section a 2b 1listen and match a. t: listen to the recording again. b. t: match the people in activity 2a with the balls. 2check the answers t: finished? lets check the answers. answers: 3, 2, 1, 4 3read the conversation a. t: lets read the conversations together. b. t: i would like you to read them in pairs. c. t: who would like to read them for the class? 【教學(xué)設(shè)計(jì)說明】重聽2a部分的錄音，將對(duì)話中所提到的球類和人物對(duì)應(yīng)起來，并標(biāo)明順序，完成2b部分中的聽力訓(xùn)練任務(wù)。step 6: section a 2c 1look and say t: lets move to the activity 2c. please look at the pictures in activities 2a and 2b and talk about who has which balls with your partners. 2task i have . a. t: now, lets do a taski have . please make a chart like this and write down some things in the chart and ask your friends whether they have them. things names numbers of students hat mary, john 2 baseball baseball bat basketball books . example: a: do you have a hat, mary? b: yes, i do. a: do you have a baseball, bob? c: no, i dont. . b. t: i believe most of you have finished your survey. please give us a report. i would like to give you an example. example: i did a survey about the things my friends have. two students have hats. bob has a basketball . 【教學(xué)設(shè)計(jì)說明】pairwork活動(dòng)，完成2c部分口語交際的學(xué)習(xí)任務(wù)。根據(jù)圖畫內(nèi)容運(yùn)用動(dòng)詞have進(jìn)行詢問所屬，以練習(xí)由助動(dòng)詞dodoes引導(dǎo)的一般疑問句結(jié)構(gòu)。step 7: section a 2d t: role-play the conversation. 分角色表演對(duì)話。【教學(xué)設(shè)計(jì)說明】教師讓每個(gè)學(xué)生在白紙上畫一幅畫，畫的內(nèi)容是反映一個(gè)人在做運(yùn)動(dòng)或某個(gè)活動(dòng)，并在畫中畫出電腦、網(wǎng)球拍或籃球等物體；然后收集圖畫，出示給學(xué)生看，使用does heshe have?句型向?qū)W生提問，讓學(xué)生回答；把圖畫放在講臺(tái)上，再選派一些學(xué)生上臺(tái)就圖畫內(nèi)容向?qū)W生詢問(可不把圖畫給學(xué)生看)，讓學(xué)生猜出答案。這種活動(dòng)可練習(xí)have一般疑問句的構(gòu)成和回答，又能調(diào)動(dòng)學(xué)生的學(xué)習(xí)興趣，十分有效。step 8: summarize t: lets summarize what we learned in this period. step 9: homework 1copy the words in activity 1a and the sentences in grammar box. 2read the tape script of activities 2a and 2b. the second period (section a, grammar focus3c)teaching aims（教學(xué)目標(biāo)）1學(xué)會(huì)用have對(duì)物品的所屬進(jìn)行提問以及應(yīng)答;2. 學(xué)會(huì)使用do和does引導(dǎo)的一般疑問句;language points（語言點(diǎn)）2. 掌握以下重點(diǎn)句型：do you/they have a tv? yes, i/they do. no, i/they dont. does he/she have a soccer ball? yes, he/she does. no, he/she doesnt.2要求掌握以下詞匯： 一些球類運(yùn)動(dòng)器材名詞tennis, bat, volleyball, basketball, television, interesting, boring, fun, difficult, relaxing difficulties（難點(diǎn)）：行為動(dòng)詞have的一般現(xiàn)在時(shí)的用法；使用do和does引導(dǎo)的一般疑問句的構(gòu)成和使用。teaching steps （教學(xué)步驟）lead in: t: what did we learn yesterday? who can tell us? yes. yesterday we got to know how to talk about ownership and we also learned some sports words in english. do you still remember them? ok, lets review them first. step 1: revision 1ask and answer a. t: would you please translate my words into english? 網(wǎng)球、足球b. t: who would like to make conversations using the pictures in the ppt? 2dictation t: please take out your dictation exercise books and lets have a dictation. step 2: grammar focus 1read t: read the conversations in the grammar box. 2point out the notes 助動(dòng)詞do的用法； 助動(dòng)詞does的用法； 助動(dòng)詞do和does引導(dǎo)的一般疑問句及其回答。 【教學(xué)設(shè)計(jì)說明】動(dòng)詞的第三人稱單數(shù)形式：當(dāng)句子的主語是“第三人稱單數(shù)”時(shí)，即：不是i，不是you的其它單數(shù)形式時(shí)，謂語動(dòng)詞必須改變形式，也就是在詞尾加-s或-es (同名詞的復(fù)數(shù)形式)，我們可以簡(jiǎn)稱為“三單形式”。有些動(dòng)詞的變化是特殊的，如：have的三單形式是has。在構(gòu)成否定句時(shí)。要在動(dòng)詞前加助動(dòng)詞dont或doesnt；在構(gòu)成疑問句時(shí)，則要在主語前加上助動(dòng)詞do或does，doesdoesnt是dodont的三單形式。助動(dòng)詞后應(yīng)該用動(dòng)詞的原形。section a 3a 1write each word in the correct place in the chart. t: lets go to activity 3a on page 27. dodoesi, they, you, we he, she, it, eric2check the answers t: have you finished? please check your answers with your partners. 3translate into chinese a. t: would you please translate the words into chinese with your partners? b. who would like to translate them into chinese for us? 4read a. t: lets read the words together. b. t: who would like to read them to the class? 【教學(xué)設(shè)計(jì)說明】將方框中的單詞填入表格的正確位置。step 3: section a 3b 1fill in the blanks with do or does. then practice the conversations with your partner.a. t: lets move to activity 3b. b. t: please look at the conversations and read them together. c. t: i would like you to read them in pairs. d. t: who would like to read them to the class? i will invite some pairs to read them to the class. 2pairwork a. t: can you make conversations like the ones given?b. t: lets make conversations in pairs. c. t: who would like to present their conversations to the class? 3explain a. t: in the conversations, we learned how to use “l(fā)ets”. would you please discuss when we use it with your friends and how to answer such sentences? b. t: some of you have got it. who can tell us your ideas? c. 對(duì)，沒錯(cuò)。lets用于表示提建議的句型中，它的意思是“讓我們”。表示贊同建議時(shí)，我們用 “that sounds good.”，它的意思是“那聽上去很好”。請(qǐng)同學(xué)們一定掌握這組提建議的句型及其回答。 【教學(xué)設(shè)計(jì)說明】用do或does 填空， 然后與同伴練習(xí)對(duì)。 step 4: section a 3c remember the things in bobs room. then close your books and ask and answer questions with a partner.【教學(xué)設(shè)計(jì)說明】記住鮑勃房間了的物品，然后合上書與同伴對(duì)話。step 5: summarize t: lets summarize what we learned in this period. step 6: homework t: try to memorize the conversations in 3b.the third period (section b, 1a1d)teaching aims（教學(xué)目標(biāo)）1. 學(xué)會(huì)使用描述性形容詞;2. 學(xué)會(huì)使用do和does引導(dǎo)的一般疑問句，學(xué)會(huì)用lets 提建議；3. 學(xué)會(huì)運(yùn)用所學(xué)知識(shí)進(jìn)行寫作(行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句和一般疑問句)。language points（語言點(diǎn)）3. 掌握以下重點(diǎn)句型：復(fù)習(xí)dodoes引導(dǎo)的一般疑問句和lets句型；復(fù)習(xí)名詞的復(fù)數(shù)構(gòu)成與使用。2要求掌握以下詞匯： 學(xué)習(xí)使用描述性形容詞：interesting，boring，fun，difficult，relaxingdifficulties（難點(diǎn)）：行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句的結(jié)構(gòu)，尤其是單三形式的變化。teaching steps （教學(xué)步驟）lead in: t: good morning, boys and girls. shall we continue our lessons? could you please tell me what we learned in section a? yes, we learned to make suggestions. step 1: revision 1review making suggestions a. t: i will show you some pictures, please make suggestions according to the pictures given in pairs. b. t: i would like some of you to present your conversations to the class. 2dictation t: lets have a dictation. step 2: section b 1a 1look and look up a. t: open your books to page 28would you please look at activity 1a? b. t: there are some words in the box. do you know what they mean? please look them up in the word list on pages 90 to 91 and then write down the chinese meanings under each word. c. t: now, i am sure you understand the words. 2match t: please match the words with the pictures. 3check the answers t: finished, everyone? lets check the answers now. answers: 1c 2d 3e 4b 5a 4read a. t: read the words after me. interesting . b. t: would you please read the words by yourselves? 【教學(xué)設(shè)計(jì)說明】1根據(jù)實(shí)物或圖片或幻燈片內(nèi)容，進(jìn)行pairwork活動(dòng)，復(fù)習(xí)前一部分所學(xué)的單詞。2觀看教學(xué)課件或圖片、幻燈片(能反映各種情緒的內(nèi)容)，一邊觀看，一邊聽老師描述：its interesting/boring/fundifficultrelaxing，然后跟讀，理解其語義。step 3: section b 1b 1draw a picture t: look at the pictures in 1a for one minute and try to draw your own pictures to describe the words in the box in 1a. 2show and guess t: some of you have finished drawing. could you please show your pictures to your partner and let him/her have a guess what the picture means? 【教學(xué)設(shè)計(jì)說明】讀la部分內(nèi)容，將描述性形容詞與圖畫一一對(duì)應(yīng)，完成la中的學(xué)習(xí)任務(wù)。同時(shí)可與同伴進(jìn)行pairwork活動(dòng)，互相畫出某個(gè)形容詞的內(nèi)容，讓同伴猜出這個(gè)單詞，以完全理解其含義。3listen and check a. t: lets move to activity 1b now. it is a listening exercise. for the first time, i would like you to listen only. b. now, for the second time, please listen to the recording again and check the words you hear in 1a. 4check the answers t: i think most of you have finished. lets check the answers together. answers: checked items: interesting, boring, fun, difficult 【教學(xué)設(shè)計(jì)說明】聽1b部分的錄音，完成1b部分的學(xué)習(xí)任務(wù)。step 4: section b 1c 1listen t: listen to the recording again. 2listen and write a. t: listen to the recording again and write a word from 1a that paul uses to talk about each activity. b. t: listen to the recording one more time and check the answers by yourselves. 3check the answers t: lets check the answers together. who would like to tell us what you wrote? answers: 1interesting 2difficult 3boring 4fun 4read the tape script a. t: lets read the tape script together. b. t: would you please read the tape script in pairs? c. t: please translate the conversation into chinese in pairs. d. t: who would like to read it for the class? step 5: section b 1d1. readt: read the conversation in 1d.2. practice in pairst: talk about the activities in 1c with your partner. one person is paul, the other is pauls friend, jenny.t: who would like to share their conversations with the class?【教學(xué)設(shè)計(jì)說明】pairwork活動(dòng)，根據(jù)示例談?wù)?c部分所提到的活動(dòng)，正確使用所學(xué)的描述性形容詞，完成1d部分的學(xué)習(xí)任務(wù)。step 6: summarize t: lets summarize what we learned in this period. step 7: homework copy the tape script of 1b in section b. the fourth period (section b, 2a2c)teaching aims（教學(xué)目標(biāo)）復(fù)習(xí)和鞏固所學(xué)的知識(shí)，并運(yùn)用classifying的學(xué)習(xí)策略，引導(dǎo)學(xué)生進(jìn)行聽力和口語交際訓(xùn)練，并能夠談?wù)撟约合矚g哪些球類運(yùn)動(dòng)、不喜歡哪些球類運(yùn)動(dòng)及其原因，能夠談?wù)撛鯓雍妥约旱呐笥讯冗^一段愉快的時(shí)光，同時(shí)也進(jìn)行適當(dāng)?shù)拈喿x和寫作練習(xí)(主要是組詞、造句)。language points（語言點(diǎn)）4. 掌握以下重點(diǎn)句型：復(fù)習(xí)dodoes引導(dǎo)的一般疑問句和lets句型；復(fù)習(xí)名詞的復(fù)數(shù)構(gòu)成與使用。2要求掌握以下詞匯： 學(xué)會(huì)使用描述性形容詞：interesting，boring，fun，difficult，relaxingdifficulties（難點(diǎn)）：行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句的結(jié)構(gòu)，尤其是單三形式的變化。teaching steps （教學(xué)步驟）lead in: t: we have finished most of unit 5. and in this period, we will continue to finish section b. but before that, i would like you to review what we learned before. step 1: revision 1make a speech t: can you make suggestions according to the information on the ppt? 2dictation t: lets have a dictation. step 2: section b 2a 1t: find the sports words in the unit. write them in the correct column.things i havethings i dont have【教學(xué)設(shè)計(jì)說明】從本單元找出有關(guān)運(yùn)動(dòng)的詞匯，并填在對(duì)應(yīng)的欄內(nèi)。寫出自己所擁有的體育器材名稱或其它物品的名稱，注意使用名詞的復(fù)數(shù)形式。step 3: section b 2b 1t: lets move to the activity 2b. read the survey results in a school magazine and answer the questions: who has a soccer ball? 2read a. t: would you please read the article together? b. t: who would like to read it for the class? 3. taskwe have a lot of things. a. t: now class, lets do a task. everyone writes four questions in the chart. b. ask your friends questions to find people in class who have these things. c. write their names if they say “yes”. questionspeopledo you have a basketball?mary, johnexample: you: do you have a basketball? mary: yes, i do. you: do you have a basketball? john: yes, i do. 【教學(xué)設(shè)計(jì)說明】閱讀一份校刊的調(diào)查結(jié)果，并回答問題。step 4: section b 2c 1t: who do you think says these sentences? check f for franck, g for gina or w for wang wei. 2t: i think most of you have finished. would you please check your answers with your partners? 【教學(xué)設(shè)計(jì)說明】你認(rèn)為下面的話是誰說的？在相應(yīng)的位置打勾。step 6: summarize t: lets summarize what we learned in this period. step 7: homework copy the article in 2b and try to recite it. the fifth period (section b, 3aself check)teaching aims（教學(xué)目標(biāo)）本課內(nèi)容主要學(xué)習(xí)使用描述性形容詞：interesting，boring，fun，difficult，relaxing；復(fù)習(xí)dodoes引導(dǎo)的一般疑問句和lets 句型；復(fù)習(xí)名詞的復(fù)數(shù)構(gòu)成與使用。正確掌握行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句的結(jié)構(gòu)，尤其是單三形式的變化，并進(jìn)行閱讀和寫作的練習(xí)。language points（語言點(diǎn)）復(fù)習(xí)詞匯tennis， bat，volleyball，basketball，television，interesting，boring，fundifficult，relaxing；引導(dǎo)學(xué)生鞏固、掌握關(guān)于球類運(yùn)動(dòng)的名詞和一些描述性形容詞，并運(yùn)用它們談?wù)撟约簩?duì)球類運(yùn)動(dòng)的喜好以及原因；同時(shí)繼續(xù)復(fù)習(xí)使用動(dòng)詞have 對(duì)物品的所屬進(jìn)行詢問和回答，以掌握行為動(dòng)詞一般現(xiàn)在時(shí)一般疑問句的結(jié)構(gòu)difficulties（難點(diǎn)）：行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句的結(jié)構(gòu)，尤其是單三形式的變化。teaching steps （教學(xué)步驟）lead