一般现在时概念及习题

一般现在时 概念： 一般现在时一般用来表示人或物经常性或习惯性的动作或状态， 也可以用来表示人或物现在的状态或者用来表示主语现在具有的性格 或能力等。 1、表示经常的或者习惯性的动作，常与表示频度的时间状语连用。时间状语：every morning，every night，every evening，every day/week/year, twice a week, once a month, 频度副词：always, usually, often, sometimes, seldom, never. 例句： Tom is always late for school. What time do you usually get up every day?2、表示主语具备的性格、能力和特征。 例句： Wang Li writes good English but does not speak well.3、表示现在的状态。 例句: The earth moves around the sun. Shanghai is in the east of China.变化形式：1. 主语不是第三人称单数时,助动词为do： 1) 肯定句：主语+动词原形+其他 We have six classes every day. 2) 否定句：主语 + dont + 动词原形+其他 We dont have six classes every day. 3) 一般疑问句：Do+主语+动词原形+其他 -Do you have six classes every day? -Yes, I do. / No, I dont. 4) 特殊疑问句：疑问词+以do开头的一般疑问句 What classes do you have every day? 2. 主语为第三人称单数时 ,助动词为does： 1) 肯定句：主语+动词三单式(+其它)。 He swims well. 变化形式： 2) 否定句：主语 + doesnt + 动词原形(+其它) He doesnt swim well. 3) 一般疑问句：Does +主语+动词原形+其它 -Does he swim well ? -Yes, he does. / No, he doesnt. 4) 特殊疑问句：疑问词+以does开头的一般疑问句 How does your father go to work?练习一、 写出下列动词的第三人称单数talk_forget_hope_stop_play_say_buy_worry_fly_study_like_make_love_become_come_drive_shine_leave_wake_ride_write_give_see_plan_get_sit_let_swim_watch_cut_run_forget_begin_wash_do_finish_teach_fish_reach_go_二、用括号内动词的适当形式填空。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. There _(be) some water in the bottle.10. Mike _(like) cooking.三、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，并作否定回答)_3. She likes milk.(改为一般疑问句，并作肯定回答)_4. Amy likes playing computer games.(改为一般疑问句，并作否定回答)_5. We go to school every morning.(改为否定句)_6. He speaks English very well.(改为否定句)_7. John comes from Canada.(对划线部分提问)_8. She is always a good student.(改为一般疑问句，作否定回答)_9. Do you often play football after school? (肯定回答) _10. I have many books. （改为否定句）_11. We have four lessons.（改为否定句）_12. Nancy doesnt run fast. （改为肯定句）_13. My dog runs fast. 否定句：_14. Mike has two letters for him.一般疑问句：_ _15. I usually play football on Friday afternoon.一般疑问句: _划线提问_16. Sun Yang usually washes some clothes on Saturday.否定句: _ 一般疑问句: _划线提问: _17. Sally usually waters the flowers every day.否定句: _ 一般疑问句: _划线提问 _18. Tom does his homework at home.否定句: _ 一般疑问句: _划线提问_四选择() 1. _ you have a book?A. DoB. AreC. IsD. Have()2. They _ on a farm.A. workingB. is workC. workD. 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. How _ he go to work?He _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;goes()7. _ you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; Im notD. Are ; I arent()8. _ she _ home