江蘇省儀征市謝集中學(xué)七年級(jí)英語(yǔ)上冊(cè) unit2 Period 3 Grammar教案 人教新目標(biāo)版.doc

period 3 grammar教學(xué)目標(biāo)：1.理解行為動(dòng)詞一般現(xiàn)在時(shí)的用法。2.掌握行為動(dòng)詞一般現(xiàn)在時(shí)的肯定句、否定句、疑問(wèn)句及其肯定和否定的基本用法。3.結(jié)合本單元話(huà)題，用一般現(xiàn)在時(shí)進(jìn)行交際。教學(xué)內(nèi)容四會(huì)內(nèi)容：詞匯：drawing weekend shop詞組：at / on weekends=at / on the weekend of course句型：i /you/we/they like sports. he/she/it likes sports. i/you/we/they do not /dont like sports. he /she/ it does not /doesnt like sports. do i / you/ we/ they like sports ? yes, you / i / we /they do. no, you/ i/ we / they dont. does he / she / it like sports ? yes, he /she/ it does. no, he/ she/ it doesnt.教學(xué)步驟：step 1: free talk (revising simple present tense of the verb “to be”)t: how old are you?s: i am 13/ 14.t: is your father/mother a teacher/ a worker.s: yes/ no. (he/she is a )t: how many people are there in your family? s: there are three/ four.通過(guò)free talk , 在ppt上呈現(xiàn)句子復(fù)習(xí)be動(dòng)詞的一般現(xiàn)在時(shí)，可以用口訣的形式表述出來(lái)：我（i）是am,你（you）是are, is留給她（she）, 他（he）, 它（it）,兩個(gè)以上都用are。step 2: presentation now i have known sth. about you. do you want to know sth. about me? ppt呈現(xiàn): i live in a flat. i have a pet at home. i go to work by bus. i watch tv at weekends. i do the housework every evening. 觀(guān)察以上句子，我們稱(chēng)黑體部分的單詞為實(shí)義動(dòng)詞。step 3: simple present tense of the verb to do 一用法: 經(jīng)常做的事 事實(shí)或真理 現(xiàn)在的狀態(tài)二構(gòu)成：根據(jù)主語(yǔ)的人稱(chēng)和數(shù)的不同，實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)有兩種形式。1. 當(dāng)主語(yǔ)是第一人稱(chēng)、第二人稱(chēng)、第三人稱(chēng)復(fù)數(shù)時(shí)謂語(yǔ)動(dòng)詞以動(dòng)詞原形構(gòu)成。i _(like) red. you _(have) breakfast at 7 a.m. they _(play) football every week. 否定句的構(gòu)成 do not= dont 將以上句子改為否定句。 i dont like red. you dont have breakfast at 7 a.m. they dont play football every week.仔細(xì)觀(guān)察，他們是如何變成否定句的？當(dāng)主語(yǔ)是第一，第二或第三人稱(chēng)復(fù)數(shù)時(shí)，其否定形式借助于do not= dont來(lái)否定。一般疑問(wèn)句的構(gòu)成 -do.? -yes, do. / no, dont. 將以上句子改為一般疑問(wèn)句，并作肯定或否定回答。do you like red? yes, i do. do you have breakfast at 7 a.m.? no, i dont. do they play football every week? yes, they do. 當(dāng)主語(yǔ)是第一，第二或第三人稱(chēng)復(fù)數(shù)時(shí)，是如何來(lái)提問(wèn)的？借助于do來(lái)提問(wèn)。2. 當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)時(shí)謂語(yǔ)動(dòng)詞用三單現(xiàn)形式。 you have known sth. about me. now can you tell your partner about these?you can begin with “she.”she lives in a flat. she has a pet at home. she goes to work by bus. she watches tv at weekends. she does the housework every evening. 動(dòng)詞的三單現(xiàn)變化規(guī)則如下：（1）.一般情況加-s,（2）以s,x,sh,ch結(jié)尾的動(dòng)詞，加-es. （3）以輔音字母+y結(jié)尾的動(dòng)詞，變y為i再加-es. (4) 以o 結(jié)尾的動(dòng)詞加-es(5) have 變成has當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)（he, she, it）時(shí)，其否定句要借助于does not/ doesnt，后面的動(dòng)詞用原形。特別要注意doesnt的拼寫(xiě)。當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)，借助于does來(lái)提問(wèn)，后面的動(dòng)詞用原形。step 4: practiceturn to p24, finish part a, part b and part c. then check the answers. step 5: exercise5)exercises:1).her daughter (not like) bread (和)milk.2).jill (not be) sad.3).where he ?a. does, from b. is , from c. does, come from d. band c4).my father (not be)at home now.5).daniel always (play) computer games.6).my mother (not watch) our games, but sometimes my father (go) (watch)them.7).my cousin sometimes flies a kite with me in the afternoon.(改為一般疑問(wèn)句) y