一般过去时讲解与习题一般过去时的功能1.表示发生在过去某一时间的动作2.表示过去一段时间内经常性或习惯性的动作一般过去时的构成及变化1.be动词作谓语肯定句：主语+be(was,were)+其它否定句：主语+be(was,were)+not+其它。
一般疑问句：Be(was,were)+主语+其它。
如：肯：He was a worker.否：He was not a worker.疑：-Were you a worker?-Yes.I was./No,I wasn’t.*注意主语为第一人称单数和第三人称单数时用was,其他用were2.行为动词的变化肯定句：主语+行为动词(+其它)否定句：主语+didn't+动词原形(+其它)。
一般疑问句：Did+主语+动词原形+其它。
如：肯：I went to school by bus.否：I didn’t go to school by bus.疑：- Did you go to school by bus?- Yes,I did./No,I didn’t.一般过去时中，动词过去式的构成规则：1．直接加ed：work—— worked look——looked2．以不发音e结尾的单词，直接加d：live ——lived hope——hoped use——used3．以辅音字母+y结尾的，变y为i加ed：study—— studied carry——carried worry——worried4．以一个辅音字母结尾的，双写最后的辅音字母+ed：stop—— stopped plan——planned重读闭音节体现形式为辅-元-辅结构，例如nod,n为辅音，o为元音，d为辅音。
5. 以ic结尾的动词，要把ic变成ick再加ed，如picnic→picnicked，traffic→trafficked6．不规则变化的动词过去式：have---had are---were get---got say---said feel---felt do/does---did is---was go---wentdrink--drank eat--ate bring----brought think----thought buy----bought catch----caught teach ----taught sit----sat wear----wore cut----cut sweep----swept sleep——slept see----saw become----became[1] read——read(详见:不规则动词)7以辅元辅结尾的加d肯定形式主语+动词过去式+其他例句：She often came to help us in those days.否定形式①was/were+not；②在行为动词前加didn't，同时还原行为动词例句：I didn't know you like coffee.一般疑问句①Did+主语+谓语动词原型+其他？②Was\Were+主语+表语?例句：Did I do homework?习题一：用be动词的适当形式填空1. I ______ an English teacher now.2. She _______ happy yesterday.3. They _______ glad to see each other last month.4. Helen and Nancy ________ good friends.5. The little dog _____ two years old this year.6. Look, there ________ lots of grapes here .7. There ________ a heavy snow in two days.8. Today _____ the second of June. Yesterday ______ the first of June.9. It _____ Children's Day. All the students ______ very excited.1_____ (watch) a cartoon on Saturday.2. Her father ______(read) a newspaper last night.3. We ______ to zoo yesterday, we _____ to the park. (go)4. _____ you _____ (visit) your relatives last Spring Festival?5. ______ he ______(fly) a kite on Sunday? Yes, he ______.6. Gao Shan _______(put) up the picture last night.7. I _______ (sweep) the floor yesterday, but my mother ______.8. What ______ she ______(find) in the garden last morning?She _______(find) a beautiful butterfly.9. How _______(be) Jim's weekend? It _______(be not) bad.10. ________ (be) your mother a sales assistant last year? No. she __________.11. I _______(have) an exciting party last weekend.12. _________ she ______(practice) her guitar yesterday? No, she _________.13. What ________ Tom _____ (do) on Saturday evening?He ________(watch) TV and ______(read) an interesting book.14. They all ______(go) to the mountains yesterday morning.15. She ______(not visit) her aunt last weekend.She ________ (stay) at home and ______(do) some cleaning.16. When ______ you ______(write) this song?I _______(write) it last year.17. My friend, Carol, ________(study) for the math test and ____(practice) English last night.18. ________ Mr. Li _____(do) the project on Monday morning? Yes, he ___I9 ______ (watch) a cartoon on next Saturday.20. Her father _______ (read) a newspaper last night.21. We _________ to zoo yesterday, we _____ to the park. (go)22. ______ you _______ (visit) your relatives last Spring Festival?23. ______ he _______ (fly) a kite on Sunday? Yes, he ______.24. Gao Shan _______ (pull) up carrots last National Day holiday.25. I ____________ (sweep) the floor yesterday.26. What _________ she _________ (find) in the garden last morning?27. She _________ (find) a beautiful butterfly.28. It _________ (be) Ben's birthday last Friday29. We all _________ (have) a good time last night.30. He _________ (jump) high on last Sports Day.31. Helen _________ (feed) a cow on Friday.32. She likes _________ newspapers, but she _________ a book yesterday. (read)33. He _______ football now, but they _______ basketball just now. (play)34. Jim's mother _________ (plant) trees just now.35. _______ they ________ (sweep) the floor on Sunday? No, they _________.36. I _______ (watch) a cartoon on Mondays.37 We ____ (go) to school every Sunday.38. It ____ (be) the 2nd of November yesterday. Mr White ___ (go) to his office by car.39. Gao Shan ________ (put) the book on his head a moment ago.40. Don't ______ the house. Mum _______ it yesterday. (clean)41. What _________ you ______ just now? I _______ some housework. (do)42. They _________ (make) a kite a week ago.43. I want to ______ apples. But my dad _______ all of them last month. (pick)44. _______ he ______ the flowers this morning? Yes, he _____. (water)45. She ____ (be) a pretty girl. Look, she _____ (do) Chinese dances.46. The students often _________ (draw) some pictures in the art room.47.What ______ Mike do on the farm every day? He ________ cows. (milk)二、请在仔细诊断每个句子后，把正确的句子写在横线上。