初中英语语法一般现在时专项讲解及练习

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