初一英语语法 一般过去式ppt课件.ppt

一般过去时态的构成,一般过去时态陈述句的构成：主语+动词的过去式+宾语+（表示过去的时间状语）a否定式结构：主语+ did + not/didnt+动词原形+ 宾语+ （表示过去的时间状语）一般疑问句结构：Did+主语+动词原形+宾语+（表示过去的时间状语）,动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。规则动词的过去式变化如下： （1）一般情况下，动词词尾加 -ed ，如： worked played wanted acted （2）以不发音的 -e 结尾动词，动词词尾加 -d，如： lived moved decided declined hoped judged raised wiped,（3）以辅音字母 + y结尾的动词，把-y变为-i 再加-ed，如： studied tried copied justified cried carried embodied emptied （4）以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加 -ed，如： stopped begged fretted dragged dropped planned dotted dripped 注：不规则动词的过去式变化规律性不强，须多加记忆。 go - went，make - made，get - got ，buy - bought ，come - came ，fly-flew ，is/am-was，are-were ，see-saw ，bring-brought，do-did，teach-taught, think-thought, say-said, sit-sat. read-read, spend-spent, eat-ate ,give-gave, sit-sat, tell-told, write-wrote, fell-felt, find-found, hear-heard, know-knew, put-put, grow-grew,take,took,catch-caught,come-camebecome-became,swim-swam，sweepswept，singsang，drawdrew，,一般过去时的用法,1）在确定的过去时间里所发生的动作或存在的状态。例如：时间状语有：yesterday, last week, an hour ago, the other day, in 1982等,Where did you go just now? 刚才你上哪儿去了？,2）表示在过去一段时间内，经常性或习惯性的动作。例如： When I was a child, I often played football in the street. 我是个孩子的时候，常在马路上踢足球。,3）句型：It is time for sb. to do sth 到时间了 该了。例如：It is time for you to go to bed. 你该睡觉了。 It is time that sb. did sth. 时间已迟了 早该了 ，例如It is time you went to bed. 你早该睡觉了。,III. 用所给词的适当形式填空。 1. Tom and Mary _ (come) to China last month. 2. Mike _(not go) to bed until 12 oclock last night. So he _ (get ) up late. 3. Mary _ (read) English yesterday morning. 4. There _ (be) no one here a moment ago. 5. I _ (call) Mike this morning. 6. I listened but _ (hear) nothing. 7. Tom _ (begin) to learn Chinese last year. 8. Last week we _ (pick) many apples on the farm. 9. My mother _ (not do) housework yesterday. 10. She watches TV every evening. But she _ (not watch) TV last night. 11_ your father _ ( go ) to work every day last year? 12-What time _ you _ (get) to Beijing yesterday? -We _ (get) to Beijing at 9:00 in the evening.13. What _ (make) him cry (哭) just now? 14. Last year the teacher _ (tell) us that the earth moves around the sun. 15. There _ a telephone call for you just now. (be),16. There _ not enough people to pick apples that day. ( be) 17. There _( be not) any hospitals in my hometown (家乡) in 1940. 18. There _ enough milk at home last week, wasnt there? 19. Eli _ to Japan last week. ( move) 20. When _ you _ (come) to china? Last year. 21. Did she _ (have) supper at home? 22. Jack _ (not clean) the room just now. 23. _ (be) it cold in your city yesterday? 24. How many people _ (be) there in your class last term?25. It _ (be) hot yesterday and most children _ (be) outside. 26. There _ (be) a football match on TV yesterday evening, but I _ (have) no time to watch it. I. 请用正确动词形式填空。,I_ (have) an exciting party last weekend. _ she _(practice) her guitar yesterday? No, she _. What _ Tom _ (do) on Saturday evening? He_(watch) TV and _(read) an interesting book. They all _(go) to the mountains yesterday morning. She _(not visit) her aunt last weekend. She _ (stay) at home and _(do) some cleaning. When _ you _(write) this song? I _(write) it last year. My friend, Carol, _(study) for the math test and _(practice) English last night. _ Mr. Li _(do) the project on Monday morning? Yes, he _. How _(be) Jims weekend? It _(be not) bad. _ (be) your mother a sales assistant last year? No. she _. 句型转换 Last week I read an English book. 否定句：_ 一般疑问句：_ 肯定/否定回答：_ 对划线部分提问：_,典型题,1. My cousin went to Canada two years ago. He _ there for a few months and then went to America.A. worked B. would work C. would be working D. has been working,2. The little girl _ her heart out because she _ her toy bear and believed she wasnt ever going to find it.A. had cried; lost B. cried; had lost C. has cried; has lost D. cries; has lost,