八年級(jí)上unit8

1、一般過(guò)去時(shí)(一)一定義：表示過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)。二構(gòu)成：一般過(guò)去時(shí)態(tài)的構(gòu)成有三種形式1.主語(yǔ) + was /were + 其他 2.there was /were + 其他 3.主語(yǔ) + 動(dòng)詞的過(guò)去式 + 其他例如：He was here just now. 他剛才在這兒。There was an old picture on the wall last year. 去年墻上有一張舊畫(huà)。 I did my homework yesterday. 昨天我做了家庭作業(yè)。三動(dòng)詞過(guò)去式的構(gòu)成1.規(guī)則變化（1）一般的加-ed 如：clean -cleaned help -helped (

2、2)以輔音字母+y 結(jié)尾的詞變y為i再加-ed 如：study -studied cry -cried(3)以元音字母+y 結(jié)尾的詞直接加-ed 如： play -played enjoy -enjoyed(4)以重讀閉音節(jié)結(jié)尾，且末尾只有一個(gè)輔音字母的詞，要雙寫(xiě)這個(gè)輔音字母，再加-ed.如：stop -stopped drop -dropped prefer -preferred2.不規(guī)則變化 go-went take-took have-had buy-bought eat-ate see-saw hang-hung meet-met win-won sleep-slept put-put

3、 come-came wake-woke read-read do-did 四常與一般過(guò)去時(shí)連用的時(shí)間狀語(yǔ)1.yesterday及其構(gòu)成的短語(yǔ) Tom lost his bike yesterday afternoon. 昨天下午湯姆丟了他的自行車(chē)。2.由一段時(shí)間+ago 構(gòu)成的短語(yǔ) I finished my homework two hours ago. 兩個(gè)小時(shí)前我就完成作業(yè)了。3.由last +時(shí)間名詞構(gòu)成的短語(yǔ) He went to the movie last weekend. 上周末他去看電影了。4.由介詞+過(guò)去時(shí)間的名詞構(gòu)成的短語(yǔ) Our family lived in the

4、 country in1985. 1985年我們家住在農(nóng)村。5.其他一些時(shí)間名詞或短語(yǔ) I saw her just now . 我剛才看見(jiàn)過(guò)她五一般過(guò)去式的句式轉(zhuǎn)換1.句中帶有動(dòng)詞的改為疑問(wèn)句時(shí)，將was /were 提到主語(yǔ)之前，肯定回答為”Yes ,主語(yǔ)（代詞）+was /were ” 和”Yes, there was /were ” 否定回答為”No ,主語(yǔ)（代詞）+wasnt /werent” 和”No ,there wasnt /werent”。 改為否定句時(shí)，在was /were后加not即可。2.句中含有實(shí)義動(dòng)詞的，改為疑問(wèn)句或否定句時(shí)，須借助情態(tài)動(dòng)詞或助動(dòng)詞did. I kn

5、ow the answer. 改為疑問(wèn)：Did you know the answer ? 肯定/否定回答：Yes , I did . / No ,I didnt . 改為否定句： I didnt know the answer.1. do- have- stop- carry- give- come-2. (1) _ (be ) your mother in Beijing last week?(2)We _ (visit) the Summer Palace last summer holiday.(3)Mike_ (not have ) breakfast at home yesterd

6、ay morning. (4) -What _ you _(do) last night ? -I _(watch) TV with my parents .3. (1) They cleaned their room yesterday (改為否定句) They _ _their room yesterday. (2) We watched a dolphin show on TV.(對(duì)劃線部分提問(wèn)) _ _ you watch on TV. (3) Bob wrote a letter to his friend last night. (改為一般疑問(wèn)句) _ Bob _ a letter to his friend last night ? (4) He doesnt often go swimming. (用last Sunday 代替 often ) He _ _ swimming last Sunday. (5) I read todays newspaper this afternoon. (對(duì)劃線部分提問(wèn)) _ _ you read todays newspaper.答案：一. 1. did 2. had 3. stopped 4. carried 5. gave 6. came 二. 1. Was 2. v