新版八年級下冊過去進(jìn)行時(shí)講解及習(xí)題(有講解附練習(xí))

1、新版八年級下冊過去進(jìn)行時(shí)講解及習(xí)題(有講解附練習(xí))過去進(jìn)行時(shí)一 概念：過去進(jìn)行時(shí)主要表示過去某個(gè)時(shí)刻或某一階段正在進(jìn)行的動(dòng)作，常和表示過去的時(shí)間狀語then，at that time/ moment， yesterday，at nine，last night等連用或者與when, while, as引導(dǎo)的過去時(shí)間狀語連用。但在不少情況下，沒有表示時(shí)間的狀語，這時(shí)需要通過上下文來表示。We were watching TV from seven to nine last night. What was he researching all day last Sunday 二過去進(jìn)行時(shí)的主要用法是

2、描述一件事發(fā)生的背景；一個(gè)長動(dòng)作發(fā)生的時(shí)候，另一個(gè)短動(dòng)作發(fā)生（長動(dòng)作用過去進(jìn)行時(shí)，短動(dòng)作用一般過去時(shí)）。也可以表示兩個(gè)動(dòng)作同時(shí)發(fā)生，此時(shí)均用過去進(jìn)行時(shí)When I saw him he was cleaning his room. While he was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking.三When/ While“當(dāng)?shù)臅r(shí)候”的區(qū)別when 既指時(shí)間點(diǎn)，也可指段時(shí)間，while只指段時(shí)間，因此when引導(dǎo)的時(shí)間狀語從句中的動(dòng)詞可以是短暫性動(dòng)詞，

3、也可以是延續(xù)性動(dòng)詞，而while從句中的動(dòng)詞必須是延續(xù)性動(dòng)詞。 when 說明從句的動(dòng)作和主句的動(dòng)作可以是同時(shí)，也可以是先后發(fā)生；while 則強(qiáng)調(diào)主從句動(dòng)作同時(shí)發(fā)生。 They were singing while we were dancing. when和while 還可作并列連詞。when表示“在那時(shí)”；while表示“而，卻”，表對照關(guān)系。如： a. The children were playing when they heard the sound of a motor bike. b. He is strong while his brother is weak. 典型例題1)

4、 Mary _ a dress when she cut her finger. A. made B. is making C. was making D. makes2) As she _ the newspaper, Granny _ asleep. ； was falling B. was reading； fell C. was reading； was falling D. read；fell 四、 通常不能用于過去進(jìn)行時(shí)的動(dòng)詞主要有：agree, be, believe, belong, care, forget, hate, have(擁有), hear, know, like,

5、 love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish等。例如： 誤：I was knowing the answer. 正：I knew the answer. 誤：I wasnt understanding him. 正：I didnt understand him. 相關(guān)習(xí)題I.用所給詞的適當(dāng)形式填空：1. While we _ (wait) for the bus, a girl _ (run) up to us.2. I _ (telephone) a friend when Bo

6、b _ (come) in.3. Jim _ (jump) on the bus as it _ (move) away.4. We _ (test) the new machine when the electricity _ (go) off.5. She _ (not want) to stay in bed while the others _ (all, work) in the fields.II.單項(xiàng)選擇.1.    I _ a meal when you _ me.A. cooked, were ringing    

7、     B. was cooking, rang     C. was cooking, were ringing        D. cooked, rang2.    He said he _ to draw a plane on the blackboard at that time.A. tries        &#

8、160;   B. tried           C. was trying          D. will try3.    While she _ TV, she _ a sound outside the room.A. was watching, was hearing      

9、60; B. watched, was hearingC. watched, heard                        D. was watching, heard4.    They _ a football game from 7 to 9 last night.A. were watching  

10、         B. watch         C. watched      D. are watching5.    What book _ you _ when I _ you at four yesterday afternoon?A. did, read, was seeing                B. d