九年級英語中考專題—-動詞時態(tài)講解

1、九年級年級動詞時態(tài)講解 動詞的構(gòu)成nbe 動詞n助動詞n情態(tài)動詞n系動詞n實義動詞n n be 動詞nbe動詞的幾種形式nam is arenwas werenbeingnBeenn 1) be動詞的用法n與名詞、數(shù)詞、形容詞、介詞連用nI am a doctor.nHe is ten.nThey are tired.nThe cat is under the table.be動詞的用法 nThere be 句型n用于不可數(shù)名詞和可數(shù)名詞單數(shù)之前nThere is a pen on the desk.nThere is some water in the glass.n用于復數(shù)名詞之前Ther

2、e are some sheep in the hill.n用于一般將來時There is going to be a film in our school next Sunday.n用于一般過去時There was a book on the desk yesterday.注意：請根據(jù)時態(tài)和句中的名詞選擇適當形式。be動詞的用法nBe 動詞在時態(tài)中的運用n在現(xiàn)在進行時中n We are talking.n在過去進行時中 We were talking at this time yesterday. 助動詞n助動詞的幾種形式ndo /dont nDoes/ doesntnDid/ didntn

3、will /wontnhave havent /has hasnt/had hadnt1) 助動詞的用法 n對句子進行否定和疑問nDo you get up early every day?nI didnt have lunch yesterday.nWill you be back soon?nHe hasnt finished the work yet.n在反意疑問句中nHe works in a school,doesnt he?nShe has never been there,has she?n在倒裝句中nThey helped the farmers , so did we.nI

4、wont visit the famous singer,neither will he.情態(tài)動詞n共同特點n 情態(tài)動詞后面跟動詞原型n 無論否定、疑問、倒裝句、或反意疑問句都用情態(tài)動詞n 只有時態(tài)變化，沒有人稱變化n 情態(tài)動詞n解釋ncan / could在表示請求允許的時候兩者和互換， could比can語氣更委婉。Can I help you?Could you open the window?在表示有能力作某事時，could是can的過去式。I can swim.I could swim at the age of five.情態(tài)動詞 n解釋nMust /have tonMust 表示

5、主觀意愿，否定句用Mustnt，否定回答用needntnI must go now.nYou mustnt play in the street.nMust I clean the room now?nNo,you neednt.nhave to表示客觀條件的限制的“不得不”，它有時態(tài)和人稱變化，需要助動詞來否定和疑問。nI dont have to carry the big box.nHe had to wash his clothes.情態(tài)動詞n解釋nMay 表示請求別人允許。May I use your bike?表示可能性。He may be a teacher.He may liv

6、e in this building. 北京新干線學校中考專家組提供系動詞 n我們所學過的系動詞是nGet，turn，be come，be動詞n感觀動詞look，sound，smell，taste，feeln系動詞只和形容詞連用，構(gòu)成系表結(jié)構(gòu)nI feel hungry.nThe day gets longer and longer.nHe looked happy.實義動詞n實義動詞指的是有具體行為意思的動詞。n實義動詞在句中可以做謂語動詞和非謂語動詞。n做謂語動詞的用法n 動詞會有四種形式：單三，現(xiàn)在分詞，過去式，過去分詞n 北京新干線學校中考專家組提供實義動詞注意：掌握四種形式的變化規(guī)律

7、nHe works in the office.nWe are dancing together.nI caught a cold last week.nShe has watered the flower.1) 實義動詞n做非謂語動詞的用法（指出現(xiàn)在謂語動詞之后的動詞，它受前面謂語動詞的限制） 動詞會有三種形式：n原型(do)n動名詞(doing)n不定式(to do)n 實義動詞n用原型：nlet sb.donmake sb.donhelp sb.(to)donhad better do n 實義動詞n用動名詞：nlike doingnenjoy doingnfinish doingn介詞

8、之后用動名詞 be good at doingwhat about doingthank you for doing 實義動詞 n用不定式：nwant to dondecide to donplan to donwould like to donlearn to dontell sb.( not)to donask sb.(not) to do實義動詞n注意下列詞不同形式的不同用法: remember doing/to do forget doing/to do stop doing/to do go on doing/to do 時態(tài) n一般現(xiàn)在時n一般將來時n一般過去時n現(xiàn)在進行時n現(xiàn)在完

9、成時n過去進行時n過去將來時n過去完成時一般現(xiàn)在時表示一般情況和經(jīng)常發(fā)生的動作。時間狀語為every day 或 every 引導的時間狀語often，always，usually 北京新干線學校中考專家組提供一般現(xiàn)在時動詞碰到第三人稱單數(shù)時，要加 “s”work - works輔音字母和“y”結(jié)尾的詞，如carry - carries以s、x、ch、sh結(jié)尾的加“es”，如wash - washesgo - goesdo - doeshave - has 一般現(xiàn)在時例句He goes to school on foot every day.We often have supper at ho

10、me.She doesnt do her work every Sunday. 現(xiàn)在進行時 表示正在發(fā)生的動作。時間狀語：now /Look /Listen由be動詞動詞ing構(gòu)成動詞變化加ingclean - cleaning以不發(fā)音“e”結(jié)尾的，去掉字母“e”，再加ingmake - making重讀閉音節(jié)的單詞，雙寫最后一個字母，再加ingswim - swimming現(xiàn)在進行時n例句nThe boys are playing now.nLook! They are planting trees.nListen! He is singing. 一般將來時表示將來發(fā)生的動作。時間狀語： n

11、ext 引導的詞組tomorrow 引導的詞組the day after tomorrow動詞變化：will + 動詞原型例句I will visit you tomorrow.He wont come back next week. 一般過去時n指過去發(fā)生的動作或事情n時間狀語：nyesterday 引導的詞組nago 引導的詞組nlast 引導的詞組nthe day before yesterday 一般過去時n動詞變化：動詞變成過去式，動詞加“ed”nPlay - played輔音字母和“y”結(jié)尾的詞，如carry - carried重讀閉音節(jié)的單詞，雙寫最后一個字母，再加edstop

12、- stopped不規(guī)則動詞見書后動詞表 一般過去時n例句nHe bought a book yesterday.nI watched a match last week.nHe left here two days ago. 現(xiàn)在完成時 n動詞變化 動詞變成過去分詞加ednPlay - played輔音字母和“y”結(jié)尾的詞，如carry - carried重讀閉音節(jié)的單詞，雙寫最后一個字母，再加edstop - stopped不規(guī)則動詞見書后動詞表n動詞由have（has）+ 過去分詞 構(gòu)成現(xiàn)在完成時 n表示動作已經(jīng)完成nHe has left .nI have already had a

13、rest.n表示動作不僅已經(jīng)完成，還要持續(xù)（在這個用法當中，動詞要用延續(xù)性動詞，與for引導的一段時間和since引導的短語連用）nHe has been away for two days. nI have already taught in this school since 1990.nThe bird has been dead for a month.nWe have made lots of friends since we came here. 過去進行時 n指在過去的某一個時間正在發(fā)生的動作。n時間狀語nat this time yesterdaynat five oclock yesterday afternoonn動詞由be動詞+動詞ing形式構(gòu)成n例句He was watching TV at this time yesterday.過去將來時n指對過去的某一個時間來講，將要發(fā)生的動作。n動詞由would+動詞原型構(gòu)成。n例句He would go to