. 过去进行时的结构及句型变化过去进行时由"was / were + 现在分词"构成。

如：I was doing my lessons then. 那时，我在做功课。

We were cleaning the house. 我们在打扫房子。

过去将来时态的肯定句、否定句和疑问句形式：肯定句例句：I was walking down the street when a UFO landed.否定句例句：I wasn't walking down the street when a UFO landed.一般疑问句例句：Were you walking down the street when a UFO landed?特殊疑问句例句：What were you doing when a UFO landed?过去进行时的用法详解(1) 表示在过去某一时间正在进行的动作，此时句中往往有表示过去的时间状语then,at that time,this time,yesterday等。

I was doing my homework when my mother came to home.(2)叙述在过去的同一时间都在进行的几个动作，通常用WhileI was studying at college while my brother was teaching at university..(3)表示在过去某一段时间内一直持续进行的动作They were expecting you yesterday, but you didn't turn up.英语中有四类动词一般不用进行时（不用现在进行时和过去进行时）1)表心理状态、情感的动词，如love ,hate ,like ,care ,respect ,please ,prefer ,know 等，若用进行时则词意改变。

2)表存在、状态的动词，如appear ,exist ,lie ,remain ,stand ,seem等3)表感觉的动词，如see ,hear ,feel ,smell ,sound ,taste等.4)表一时性的动词，如accept ,allow ,admit ,decide ,end ,refuse ,permit ,promise等。

初中英语过去进行时练习题一、写出下列动词的三单现、过去式和现在分词go ______ _______ _______ enjoy _______ _______ ________buy ______ ______ _______ eat _____ _______ _______get _______ _______ _______ walk ________ _______ ________take______ ______ ______ dance_______ ________ _______write _____ ______ ______ run______ _______ _______swim_____ _______ _______ find _______ _______ _____begin______ ______ ______ eat ______ _______ ______play ______ ______ _______ study ______ ______ ________二、按要求改写句子1. The boy was playing basketball.否定句：____________________________一般疑问句：_________________________肯定回答：__________________________否定回答：______________________2.She was closing the door now.否定句：____________________________一般疑问句：_________________________3.I was doing your homework.否定句：____________________________一般疑问句：_________________________4.The Young Pioneers were helping the old woman.否定句：____________________________一般疑问句：_________________________三、用过去进行时完成下列句子:1.What_________you__________(do)?2.I_____________(sing) an English song.3.What________he____________(mend)?4.He______________(mend) a car.5.______you__________(fly) a kite?Yes,_______.6.______she___________(sit) in the boat?7.______you_____________(ask) questions?8.We_______________(play) games now.用动词的适当形式填空。

1. While we __________ (wait) for the bus, a girl __________ (run) up to us.2. I __________ (telephone) a friend when Bob __________ (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.6. While mother ________ (put) Cathy to bed, the door bell ________ (ring).1. _____ (have) my breakfast at half past six yesterday morning.2. Mary _____ (go) over her lessons from six to seven last night. John and peter ____(do) the same thing.3. What _____ you ___ (do) at that time? We _____ (watch) TV.4. Was your father at home yesterday evening? Yes ,he was. He _____ (listen) to the radio.5. They _____(not make) a model ship when I saw him.6. _____ they ____ (have) a meeting at 4 yesterday afternoon?No, they _____. They _____ (clean) the classroom.7. ______ it ______(rain) when you left school? Yes, it ____. (No, it ____)8. What _____ your father _____ (do) when he was your age?9. One day, Edison _____ (wait) for a train to arrive, and suddenly a little boy ran to the track(轨道) to play.10. He asked me if I ______ (go) fishing that afternoon.11. The three of them were in a hurry because their plane _____ (leave) in five minutes.12. In a letter, john told us that he _____ (come) to china next month.13. When the bell rang, jenny _____ (wait) in her seat.14. She _____ (make) her dress the whole afternoon.15. While my father ____ (look) through the evening paper, he suddenly ____ a cry.二、选择题。

1. I ______ cooked a meal when you _____ me.a. cooked, were ringingb. was cooking, rangc. was cooking, were ringingd. cooked, rang2. He said he _____ to draw a plane on the blackboard at that time. a. tries b. tried c. was trying d. will try3. While she ______ TV, she ______ a sound outside the room.a. was watching, was hearingb. watched, was hearingc. watched, heardd. was watching, heard4. They _____ a football game from 7 to 9 last night.a. were watchingb. watchc. watchedd. are watching5. What book ____ you ______ when I ____ you at four yesterday afternoon?a. did, read, was seeingb. did, read, sawc. were, reading, sawd. were, reading, was seeing6. It was Friday evening. Mr and Mrs. Green _____ ready to fly to England.a. are gettingb. getc. were gettingd. got7. Lei Feng _____ always _____ of others when he ______ in the army.a. is, thinking, wasb. was, thinking, isc. did, think, isd. was, thinking, was8. A girl ______ my pen fall off the table when she _____ me.a. saw, passedb. was seeing, passedc. was seeing, passedd. was seeing, was passing9. We ____ for tom at ten last Sunday. He often kept us ______.a. were waiting, waitingb. were waiting, waitc. waited, waitingd. waited, wait10. He ____ his father on the farm the whole afternoon last Saturday.a. helpsb. would helpc. was helpingd. is helping11. While mother _______ some washing, I _____ a kite for Kate.a. did, madeb. was doing, madec. was doing, was makingd. did, was making12. "_______ you angry then?" "they ______ too much noise."a. are, were makingb. were, were makingc. are, maded. were, made13. He ____ some cooking at that time, so _____ mea. did, heardb. did, didn't hearc. was doing, heardd. was doing, didn't hear14. This time yesterday jack _____ his bike. He _____ TVa. repaired, didn't watchb. was repairing, watchedc. repaired, watchedd. was repairing, wasn't watching15. His parents wanted to know how he _____ on with his new classmates. a. was getting b. gets c. is getting d. will get四、翻译。