一般過去時的講解.ppt
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Grammar,知識結(jié)構(gòu),動詞的過去式,1. 表示過去某個時間發(fā) 生的動作或存在的狀態(tài)。 2. 表示過去經(jīng)常或 反復(fù)發(fā)生的動作。,yesterday morning/afternoon last night/week/year/ Sunday/ in 1990 two years/weeks ago,Grammar,動詞過去式的變化,1. 動詞be的變化:,was,were,2. 助動詞do的變化: do did (在過去時里助動詞do沒有 人稱和數(shù)的變化) 如:Did you play soccer yesterday? Did he play soccer yesterday?,3. 實(shí)義動詞的變化: 實(shí)義動詞分規(guī)則變化和不規(guī)則變化。 規(guī)則變化有以下幾種: (1) 一般情況下在動詞后加-ed。 e.g. playplayed visitvisited walkwalked cleancleaned,(2) 以不發(fā)音的e結(jié)尾的詞,在詞尾 加-d。 e.g. livelived likeliked dancedanced hopehoped,(3) 以一個元音加一個輔音字母結(jié)尾的 重讀閉音節(jié)結(jié)尾的單詞,要先雙寫 這個輔音字母,再加-ed。 e.g. stopstopped dropdropped planplanned,(4) 以輔音字母加y結(jié)尾的單詞,先改y 為i,再加-ed。 e.g. studystudied carrycarried 不規(guī)則變化需要按一定的規(guī)律逐個 記憶。,規(guī)則動詞詞-ed的讀音清念 /t/ ,元濁/d/ ; /t/ /d/ 之后念/id/,1、清念 /t/ ,即 ed 在清輔音后面念 /t/ , 例:finished helped passed cooked 2.元濁 /d/ ,即 ed 在元音,濁輔音后面/d/ 例:borrowed enjoyed called moved 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后 面念 /id/ 例:wanted shouted needed counted,不規(guī)則變化(需逐個記憶): do did come came go went sit sat have had can could take took give gave put put get got swim swam eat ate tell told sleep slept see saw wear wore lie lay drink drank find found write wrote can could will would sing sang read read,do did go went read read see saw get got sit sat have/has had am/is was,在本單元中出現(xiàn)的不規(guī)則動詞有以下幾個:,III. 寫出下列單詞的過去式 talk milk am /is are go ride feed take do see,talked was went fed did,milked were rode took saw,I _ 12 years old this year.,我去年11歲.,I _ 11 years old last year.,He _ in Beijing now.,他昨天在上海。,He _ in Shanghai yesterday.,他現(xiàn)在在北京。,Please look at the sentences,我今年12歲.,am,was,is,was,They _ in China today.,他們今天在中國。,They _ in Japan yesterday.,他們昨天在日本。,are,were,am/ is,was,are,were,每天,早餐我吃雞蛋和牛奶。,I _ eggs and milk for breakfast every morning.,昨天,早餐我吃面條。,I _ noodles for breakfast yesterday morning.,他每天都吃水果。,He _ fruit every day.,昨天他吃了3個蘋果。,He _ 3 apples yesterday.,have/ has,had,have,has,had,had,I get up at 6:30 every morning. I _ up at 9:00 last Sunday.,He plays football every afternoon. He _ basketball yesterday afternoon.,He does his homework every evening. He _ some reading last night.,動詞原形、第三人稱單數(shù),動詞過去式,got,played,did,They dont watch TV in the evening. They _ TV last night.,She doesnt play basketball after school. She _ basketball after school yesterday.,Do you go to school on foot every day? _ you _ to school on footyesterday.,Does he go to school by bus every day? _ he _to school by bus yesterday?,dont/ doesnt,do/ does,didnt,did,didnt watch,didnt play,Did,Did,go,go,一般現(xiàn)在時:句中be動詞用am/is/are, 實(shí)義 動詞用三單或原形,表示現(xiàn)在的狀態(tài)或 現(xiàn)在經(jīng)常反復(fù)發(fā)生的動作和行為。 時標(biāo):always usually often sometimes never every day on Sundays 現(xiàn)在進(jìn)行時:句中動詞用am/is/are +doing 形式,表示現(xiàn)在正在進(jìn)行的動作。 時標(biāo): now at the moment listen look do sth. at+具體時刻 Its+具體時刻,一般過去時:句中be動詞用was/were,實(shí)義動 詞用動詞過去式,表示過去某個時間發(fā)生的 動作或存在的狀態(tài)也可表示過去反復(fù)出現(xiàn) 的動作(與頻度副詞usually, often等連用) I was nine years old in 2008. (過去某時間的狀態(tài)) I went to Shanghai last year. (過去某時間發(fā)生的動作) I often did my homework at school. (過去反復(fù)出現(xiàn)的動作),我天天打籃球。 我正在打籃球。 我昨天打籃球。,I every day. I now. I yesterday.,play basketball,am playing basketball,played basketball,一般過去時,一般現(xiàn)在時,現(xiàn)在進(jìn)行時,時標(biāo): (漢語翻譯時常用“了”) yesterday (昨天) yesterday morning / afternoon / evening (昨天早上 / 下午 / 晚上) last night (昨晚) = yesterday evening last year / month / week (去年 / 上個月 / 上星期) the day before yesterday (前天) in+過去的年份或月份 (在年/在月) 時間段+ago (以前) just now (剛才) at that time=then (在那時) when + 過去時句子 (一般過去時時間狀從),含be動詞的過去時句式,肯定句 主語 + was / were + 表語. 否定句 主語 + was / were not + 表語. (wasnt/ werent) 一般疑問句 Was / Were + 主語 + 表語? 肯定回答 Yes, 代詞 + was / were. 否定回答 No, 代詞 + wasnt / werent. I _ a teacher last year. I _ a teacher last year. _ you a teacher last year? Yes, I _. / No, I _.,was,wasnt,Were,was,wasnt,肯定句 主語+動詞過去式+賓語. I _(watch) TV last night. 否定句 主語+didnt+動詞原形+賓語. I _(not watch) TV last night. 一般疑問句 Did+主語+動詞原形+賓語? 肯定回答 Yes, 代詞+did. 否定回答 No, 代詞+didnt. _ you _(watch) TV last night? Yes, I _. / No, I _. 特殊疑問句 特殊疑問詞+did+主語+動原? What _ you _(do) last night?,含實(shí)義動詞的過去時句式,watched,didnt watch,Did watch,did,didnt,did do,動詞一般過去時,表示過去發(fā)生事; be用was或用were, have, has變had; 謂語動詞過去式,過去時間作標(biāo)志; 一般動詞加-ed,若是特殊得硬記。 否定句很簡單,主語之后didnt添; 疑問句也不難,did放在主語前; 如果謂語之前有did,謂語動詞需還原; 動詞若是was,were,否定就把not添。,1.He visited his friends last night. 2.Tom took some photos two days ago. 3.We went for a walk yesterday. 4.I studied in Beijing in 1999. 5.They played soccer yesterday morning.,1.He visited his friends last night. .否定句He didnt visit his friends last night. 疑問句:Did he visit his friends last night? 肯定回答:Yes, he did. 否定回答:No, he didnt. 對劃線提問:What did he do last night? 對劃線提問:When did he visit his friends?,1.I_ ( play) soccer yesterday. 否定句: 疑問句: 肯定回答: 否定回答: 對劃線提問: : 對劃線提問:,played,I didnt play soccer yesterday.,Did you play soccer yesterday?,Yes, I did.,No, I didnt.,What did you do yesyerday?,When did you play soccer?,2.Tom took some photos two days ago. 否定句: 疑問句: 肯定回答: 否定回答: 劃線提問: 劃線提問:,Tom didnt take any photos two days ago.,Did Tom take any photos two days ago?,Yes, he did.,No, he didnt.,What did Tom do two days ago?,When did Tom take any photos?,3.We_(go) for a walk yesterday. 4.I_(study) in Beijing in 1999.,went,studied,否定句,疑問句,肯定回答,否定回答,劃線提問,劃線提問,We didnt go for a walk yesterday.,Did you go for a walk yesterday?,Yes, we did.,No, we didnt.,What did you do yesterday?,When did you go for a walk?,I. 用適當(dāng)?shù)脑~填空,1. How _ your school trip? It was great. 2. How _ you yesterday? 3. Today is Monday. Yesterday _ Sunday. 4. What _ you do the day before yesterday? _ you ride a horse last week?,was,were,was,did,Did,根據(jù)句意,用括號內(nèi)所給詞的適當(dāng)形式填空。 1. What did the _ (farm) say? 2. Carol _ (pick) some strawberries and _ (take) them home. 3. I _ (visit) my grandparents in the countryside. 4. I _ (watch) the stars at night. 5. _ (do) Carol take any photos?,farmer,picked,took,visited,watched,Did,6. _ he see any cows on the farm? Yes, he did. 7. Did he milk a cow on the farm? No, he _. 8. Were the strawberries good? Yes, they _. 9. Did you see any cows? Yes, I did. I _ quite a lot. 10. I _ the chickens last week.,Did,didnt,were,saw,fed,1. She often _ (go) to the park on weekends, but yesterday she _ (go) to the zoo. 2. Last week she _ (have) fun on a farm. 3. What _ they _ (do) on the school trip? They _ (ride) horses and _ (climb) the mountains.,I. 填入適當(dāng)?shù)脑~。,goes,went,had,did do,rode climbed,4. How _ their school trip? It _ interesting. _ she _ (go) fishing? Yes, she did. 5. _ Li Ming _ (pick) any strawberries? No, he didnt.,was,Did go,Did pick,was,- 1.請仔細(xì)閱讀文檔,確保文檔完整性,對于不預(yù)覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
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