初中英语语法一般现在时专项讲解及练习.doc

初中英语时态专题讲解一般现在时一、出现以下情况是用一般现在时：1)经常性、习惯性的动作或存在的状态。时间标志词： often 经常， usually通常， always 总是，every每个 ，sometimes 有时，at 在几点钟e.g. I go to school on foot. He is very busy now. I often do my homework at 7:00. He usually goes to the park on Sunday morning.2)表示主语的特征、性格、能力、爱好等。e.g. He can swim. I work hard. I like watching TV.3)表示客观真理 e.g. There are seven days in a week. The moon moves round the earth.二、一般现在时的句式变化：1)表示动作， 一般人称作主语的，变否定句须在动词前加助动词dont；变一般疑问句须在句首加助动词do。 E.g.肯定句 They have lunch at 12:00.否定句 They dont have lunch at 12:00. 疑问句 Do they have lunch at 12:00? 肯定回答：Yes, they do. 否定回答：No, they dont.2）单三人称做主语的，变否定句须在动词前加助动词doesnt；变一般疑问句须在句首加助动词does。e.g. 肯定句：He goes to school by bike. 否定句：He doesnt go to school by bike.疑问句：Does he go to school by bike? 肯定回答：Yes, he does. 否定回答：No, he doesnt1. She _ (go) to school at seven oclock. 否定句：一般疑问句：2. They usually _ up at 17:00.(get )否定句：一般疑问句：3. Amy _ (be) here just now.否定句：一般疑问句：实际操练1. I have many books. （改为否定句）2.Tom does his homework at home. 否定句: 一般疑问句：3.Mingming usually waters the flowers.否定句: 一般疑问句4.Su Yang usually washes some clothes on Saturday. 否定句: 5. I usually play football on Friday afternoon.否定句: 一般疑问句：强化训练一、写出下列单词的第三人称单数形式1. work_ read_ clean_ write_2. teach_ wash_ guess_ watch_3. go_ do_ 4. study_ fly_ cry_ play_5. have_二选择( ) 1. _ you have a book?A. DoB. AreC. Is D. Have( )2. They _ on a farm. A.are workingB. is workC. workingD. is worked( ) 3. Does Peter like to watch TV?_. A. Yes, he likeB. No, he doesntC. Yes, hed likeD. No, he likes( )4. She doesnt _ her homework in the afternoon.A. doingB. to doC. doesD. do( )5. How _ Mr. Brown _ to America?A. do, goB. is, goC. does, goD. does, goes( )6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. cant findD. cant look at( )7. How _ he go to work? He _ to work by bike.A. does; goB. do; goesC. do ; goD. does; goes( )8. _ you usually late for school? No, _.A. Do; I amB. Does ;notC. Are ; Im notD. Are ; I arent( )9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left( )10. Mr. Yang _ English this term.A. teaches ourB. teaches usC. teachs usD. teach our三用所给动词的适当形式填空。1. My classmate _ (know) the man on the bike.2. His sister usually _ (go) to school at 7:00 am.3. Lin Tao _ (like) his new sweater.4. Let me _ (have) a look.5. Lets _ (play) tennis!6. _ he _ (like) English?7. I want _ (go) to a movie.8. He _ (not know) the teachers name.9. Nice _ (meet) you!10. Can I _ (ask) the policeman?11. _ (sit) down and _ (have) a cup of tea.12. _ (not look) at your book!13. _ you _ (can see) the bananas on the table?14. I need _ (buy ) some new clothes.15. She likes _ (play) chess.16. Its time _ (play) games.17. You must v (be) a good student.18. She must _ (sing) well.19. He _ (have) an egg and a banana for breakfast.20. Li Min _ (take) a shower after lunch.21. People usually _ (eat) dinner in the evening.22. What time _ Mary usually _ (play) basketball ?23. This boy likes _ (play) chess with his father on weekends .24. Where _ his parents _ (work) now, do you know? 25. Who _ (teach) you English in your school?26. Helen, _ (not be) late for class again. 27. I dont like the movie. Its _ (born). 28. _ (not look) at the pictures. _ (listen) to me. 29. Little Tom can _ (ride) a horse. 30. The weather _ (be ) windy to day.四、改句子 1.Do you often play football after school? (肯定回答) 2. He doesnt have any paper.(改为肯定句)3.Gao Shans sister likes playing table tennis （改为否定句）4.She lives in a small town near New York. （改为一般疑问句） 5.I watch TV every day. （改为一般疑问句） 6 We have four lessons.（否定句）7. Nancy doesnt run fast （肯定句）8. .Mike has two letters for him. （一般疑问句）9. Daniel watches TV every evening.(改为否定句)10.I do my homework every day.(改为一般疑问句，并作否定回答)11. She likes milk.(改为一般疑问句，并作肯定回答)12. Amy likes playing computer games.(改为一般疑问句，并作否定回答)13. We go to school every morning.(改为否定句) 14. Simon and Daniel like going skating.(改为否定句) 15. I watch TV every day. （改为一般疑问句）4