七下時(shí)態(tài)語(yǔ)法

1、-Yes,(No,)Yes,(No, _Yes,(No, _Yes,(No,.). ) )-Yes,(No,)am,is j was be are were般現(xiàn)在時(shí)1概念 表示現(xiàn)在的狀態(tài)。 We are at school.在上學(xué)) My pare nts are at work. 在上班)(2) 表示主語(yǔ)所具備的性格和能力等。 She likes the interesting job. They speak Chin ese.表示現(xiàn)階段經(jīng)常的或習(xí)慣性的動(dòng)作。 The bov goes to school by bike every day. I often swim in the rive

2、r in summer.2. 常與 oftenusually every day 連用3. 否定句(1) 包含有動(dòng)詞be的句子，在be的適當(dāng)形式后加not即可。(2) 如果是實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)，則需要在實(shí)義動(dòng)詞的原形前加don't。但主語(yǔ)為單數(shù)第三人稱時(shí)，需加doesn't,實(shí)義動(dòng)詞變?yōu)樵巍?His father is forty years old. I'm a stude nt We all are stude nts I work with many people. She likes readi ng bools. Her father loves her

3、very much Alice has a brother and a sister.4. 疑問(wèn)句及簡(jiǎn)略回答。(1)含有系動(dòng)詞be的句子，直接把be置于血；肯定回答用Yes,否定回答用No,后面 可接相應(yīng)的簡(jiǎn)單解釋。含有實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)，則需要在句首加助動(dòng)詞do(主語(yǔ)為單數(shù)第三人稱的加dns),句中的實(shí)義動(dòng)詞必須用原形。其肯定回答用Yes，否定回答用No，后面可接相應(yīng)的簡(jiǎn)單解釋。I變you,my變your,and變or.(3) 用什么提問(wèn)，原則上就用什么來(lái)回答。 This is a new book.Yes( No,) The books are on the des They are f

4、riends We like playi ng soccer He works for a n ewspaper Brad has short straight black hair5. 動(dòng)詞第三人稱單數(shù)。般過(guò)去時(shí)1. 用法：一般過(guò)去時(shí)表示過(guò)去發(fā)生的動(dòng)作或習(xí)慣行為。過(guò)去時(shí)間yesterday,lastweek/Saturday/Su nday /weeke nd過(guò)去發(fā)生的事(1) How was your dinner?(2) He always walked over the weeke nd.2. 構(gòu)成：(1)肯定句：肯定句用實(shí)義動(dòng)詞、連系動(dòng)詞或情態(tài)動(dòng)詞的過(guò)去式構(gòu)成。 I played t

5、ennis last Sun day morni ng. My weeke nd was great.一般疑問(wèn)句：沒(méi)有be動(dòng)詞(實(shí)義動(dòng)詞)的疑問(wèn)句在句首加助動(dòng)詞djd，特別要注意的 是如果句首加了助動(dòng)詞did變成疑問(wèn)句時(shí)，句中的謂語(yǔ)動(dòng)詞就必須變成動(dòng)詞原形。連系動(dòng)詞be的疑問(wèn)句將be的過(guò)去式was或were提到主語(yǔ)前面(句首)。I變you,my變your,and 變or.)用什么提問(wèn)，原則上就用什么來(lái)回答。 I played sports last weeked Yes,(No,) She watched TV last n ight Yes,(No,) My weeke nd was very

6、 good Yes,(No,). The people were unfrien dly.-Yes,(No,)否定句：沒(méi)有be動(dòng)詞(實(shí)義動(dòng)詞)的否定句在實(shí)義動(dòng)詞前加 didn',但切記謂語(yǔ)致詞 必須還原成動(dòng)詞原形。有連系動(dòng)詞be的否定句在was或were后直接加_noto The girl played computer games yesterday after noor Old Henry was happy last Friday The people were frie ndly.3. 規(guī)則動(dòng)詞的過(guò)去式的構(gòu)成：(1) 一般在動(dòng)詞詞尾加ed.play played, clean

7、clea ned, visit visited, stay stayed(2) 動(dòng)詞末尾字母是e的，在e后直接加d.like liked, live lived, dancedan ced, cha ngcha nged, practice- practiced(3) 重讀閉音節(jié)，末尾只有一個(gè)輔音字母的，先雙寫(xiě)這個(gè)輔音字母，再加ed.stop stopped, drop dropped, plan pla nned(4) 以輔音字母加y結(jié)尾的詞，要先變y為i再加ed.study studied, marry married, carry carried, worryworried4. 不規(guī)則動(dòng)

8、詞的過(guò)去式dodid, gowent, have had, read readred, see- saw, writewrote, sitsat5. 動(dòng)詞原形+ed后的讀音規(guī)則(1) 在清輔音后一般讀tLookedlukt, helpedhelpt(2) 在濁輔音后一般讀dListened snd, borrowedd在t,d后讀idpla ntedid,han d£did現(xiàn)在進(jìn)行時(shí)1. 結(jié)構(gòu)be+v.-ing句式，我們稱其為：進(jìn)行時(shí)態(tài)。說(shuō)明某人正在做某事，說(shuō)明某事 正在發(fā)生。在這些句子中所用的be動(dòng)詞是is, am, are的形式，說(shuō)明：現(xiàn)在正在。所以我們稱：is/am/are +

9、 v.-i ng的句式為：現(xiàn)在進(jìn)行時(shí)態(tài)。2. 表示：某人現(xiàn)在正在做或某事現(xiàn)在正在，常與時(shí)間副詞now連用。3 一般疑問(wèn)句:be動(dòng)詞置于句首(I變you,my變your,and變or.)用什么提問(wèn)，原則上就用 什么來(lái)回答。) It's rai ning nYes,(No,) I'm liste ning to the pop music. Yes,(No,) Heis working in the office. Yes,(No,)4. 否定句：在be動(dòng)詞后面加not It's raining now. I'm liste ning to the pop musi

10、c. He is worki ng in the office.5. 現(xiàn)在分詞或動(dòng)名詞的基本構(gòu)詞法有三種：(1) 一般情況：在動(dòng)詞原形之后直接加-ing.workwork inggo going 以不發(fā)音的e結(jié)尾的詞，去掉e再加-ing.writewriti ng ride ridi ng以重讀閉音節(jié)結(jié)尾的詞，末尾只有一個(gè)輔音字母：將此輔音字母雙寫(xiě)之后，再加-ing.sit sitt ingputputt ing begi n beg inning名詞單數(shù)變復(fù)數(shù)(1) 一般在名詞詞尾加-s.女口： bananabananas, thriller thrillers.以-s、-sh、-ch、-x結(jié)尾或以“ o+輔音字母”結(jié)尾的名詞，在啟發(fā)加-es構(gòu)成復(fù)數(shù)形式。如：tomato tomatoes. box boxes 有些以-o結(jié)尾，是外來(lái)語(yǔ)或縮寫(xiě)名詞，則加-s。如：photo photos.以輔音字母加-y結(jié)尾的名詞，則把-y去掉，加-ies.女口：