初中一般现在时与三单动词的变化规则.doc

一般现在时1.概念：经常、反复发生的动作或行为及现在的某种状况。2.时间状语：always,usually,often,sometimes,every week(day,year,month),once a week, on Sundays,3.基本结构：动词原形/第三人称单数形式（如主语为第三人称单数，动词上要改为第三人称单数形式）4.否定形式：am/is/are+not; 谓语动词若为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时还原行为动词。5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。三单动词的变化规则 1一般情况下，直接加-s如：playplays，wantwants，workworks，knowknows，helphelps，getgets2以s. x. sh. ch. o结尾，加-es 如：guessguesses，fixfixes，teachteaches，brushbrushes，gogoes，dodoes，watchwatches，catchcatches3以“辅音字母+y”结尾，变y为i, 再加-es如：studystudies，carrycarries，flyflies，worryworries一般现在时用法专练: 一、 写出下列动词的第三人称单数 drink _ go _ stay _ make _ look _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ do_ teach_ catch _ wash_ like_have_say_ learn _ eat_ read_ sing_二、用括号内动词的适当形式填空。 （一）1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class One. 3. We _(not watch) TV on Monday. 4. Nick _(not go) to the zoo on Sunday. 5. _ they _(like) the World Cup? 6. What _they often _(do) on Saturdays? 7. _ your parents _(read) newspapers every day? 8. The girl _(teach) us English on Sundays. 9. She and I _(take) a walk together every evening. 10. There _(be) some water in the bottle. 11. Mike _(like) cooking. 12. They _(have) the same hobby. 13. My aunt _(look) after her baby carefully. 14. You always _(do) your homework well. 15. I _(be) ill. Im staying in bed. 16. She _(go) to school from Monday to Friday. 17. Liu Tao _(do) not like PE. 18. The child often _(watch) TV in the evening. 19. Su Hai and Su Yang _(have) eight lessons this term. 20. What day _(be) it today? Its Saturday. （二）1. We often_(play) in the playgound.2. He usually _(get) up at six oclock.3._you_(brush) your teeth every morning.4. What _ (do) he usually_ (do) after school?5. Danny _ (study) English,Chinese,Maths,Science and Art at school. 6. Mike sometimes _(go) to the park with his sister.7. At eight at night, she _(watch) TV with his parents.8. _ Mike_(read) English every day?9.How many lessons_ your classmate_(have) on Monday?10. What time_his mother_(do) the housework?（四）1. I can take Li Ming there when he _ ( come) to visit.2. _your sister_(know)English?3. Her home_ _ _(远离 )her school.4. The pot_(not look) like yours very much.5. Where _you_(have)lunch every day?6. Who_(想要 )to go swimming?7. _she_(do) the housework every day?8. Jenny and Danny usually_(play) games in the afternoon（五）1. Where (be) John and Jack from?2. His favorite subjects (be) P.E. and music.3. His pen pal (live) in Toronto.4. he (have) any sisters?5. Ben can (speak) English and Spanish.6. Her brother (not play) sports every day, he only (watch) them on TV.7. My patents want (go) shopping on Sunday.8. She likes (play) computer games.9. When your mother (cook) breakfast every morning?10. There (be) some ice cream and hamburgers on the table. 11. Mr White always (get) up early in the morning.12. Jack, together with his friends, (go) to park every week.13. Nick (have) lunch at school from Monday to Friday.14. There (be) seven days in a week.15. The students in our school (like) English.三、选择填空：( )1. I _to school at 7:00 in the morning.A. go B. going C. goes( )2. They _books every day in the library.A.reads B. read C. reading( )3. The monkey_ eating bananas very much.A.like B. likes C. liking( )4. My father _to read newspaper after supper every day.A.like B. likes C. liking( )5. I like watching TV, but my mother _like it.A. dont B. doesnt C. does( )6. _ your father drink milk every day?A. do B. are C. does（)7. One of the boys_ a black hat.A. have B. there is C. there are D. has（)8. We will go shopping if it_ tomorrow.A. dont rain B. didnt rain C. doesnt rain D.isnt rain （)9. Wang Mei _ music and often _ to music.A like; listen B likes; listens C like; are listening D liking ; listen（）10. Jenny_ English every evening.A has study B studies C study D studied四、按照要求改写句子 1. Daniel watches TV every evening.(改为否定句) _ 2. I do my homework every day.(改为一般疑问句，作否定回答) _ 3. She likes milk.(改为一般疑问句，作肯定回答) _ 4. Amy likes playing computer games.(改为一般疑问句，作否定回答) _ 5. We go to school every morning.(改为否定句) _ 6. He speaks English very well.(改为否定句) _ 7. I like taking photos in the park.(对划线部分提问) _ 8. John comes from Canada.(对划线部分提问) _ 9. She is always a good student.(改为一般疑问句，作否定回答) _ 10. Simon and Daniel like goi