一般现在时和一般过去时.

1、一般现在时讲解及练习1、 定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语： often 经常， usually 通常， always 总是， every+名词每个， sometimes 有时， once a week ,on Sundays ,if 的从句 at在几点钟2. 表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。The sun rises in the east and sets in the west every day.The man who has never been to the Great Wall is not a real ma

2、n.Tomorrow is Tuesday.只有在第三人称单数用动词的“三单变化 ”，其他用动词的原形。三单变化：（ 1）直接在动词词尾加 -s.ask-askswork-works get-getsstay-stays（2）以字母 s, x,ch, sh 或 o 结尾的动词，在词尾直接加 -es.watch-watches wish-wishes fix-fixespass-passes（3）以 “辅音字母加 - y ”结尾的动词，要先变y 为 i 再加 -es.try-triesstudy-studies cry-criesfly-flies play plays2.不规则变化： be-i

3、s arehave-hasdo-doesgo-goes三、一般现在时的句子转换：（1）当句子中有 be 动词或情态动词时，则把be动词或情态动词 (can,could 等等 )提到主语的前面变成疑问句;在 be 动词或情态动词后面加 not 变成否定句陈述句She is a student.疑问句 Is she a student?否定句 She is not a student.陈述句： I can swim.疑问句 Can you swim 否定句 I can not swim.（ 2）当句子中即没有 be 动词，也没有情态动词时，则在主语前加助动词do (you,以及复数 ), does

4、（单数 she,he,it）变成问句；在主语后谓语动词前加助动词don t（I,you,以及复数 ), doesnt（单数 she,he,it）变成否定句，助动词后的动词要变成动词原形。陈述句： We get up at 7:00 every morning.疑问句 Do you get up at 7:00 every morning?否定句 We don get up at 7:00 every morning.陈述句： She has a little brother.疑问句 Does she have a little brother?否定句 She doesn havet a lit

5、tle brother.（一）用动词的适当形式填空1. She _(go) to school at seven o clock.3. He usually _ up at 17:00.(get )4. She _ (live) in Beijing.5. Amy _ (be) here just now.6. _ (be)there a fly on the table just now?7. My father _ (watch) TV every evening .8. My father _ (make) toys these days.9?_ Amy _ (read) English

6、 every day10. Chen Jie sometimes _(go)to the park with her sister.（二） .选择填空1I want_homework now. A. doingB. to doC. to do myD. do my2It's time_.A. go to school B. play gamesC. to go home D. to do my homeworks3_go and help her. A. Let's meB. Let's usC. Let'sD. Let's to4Do they hav

7、e a new car? Yes,_.A .they areB.they haveC. they don'tD. they do5He often _ supper at 6:00 in the evening.A. haveB. hasc. is havingD. is eating6. We _ any Chinese classes on Friday.A. are havingB. aren havingtC. don thaveD. are have（三）、用括号内动词的适当形式填空。1. He often _ (have) dinner at home.2. Daniel

8、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 togethe

9、r 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 _ (listen) to the English songs twice a day ,16 Tom _ (go) to school from Monday to Friday.

10、17. Liu Tao _ (do not ) like PE.18. The child often _ (watch) TV in the evening.21.We often_(play) in the playgound.22. He _(get) up at six o clock.23. _you _(brush) your teeth every morning.24. What _he usually_ (do) after school?25. Danny usuallly _(study) English,Chinese ,Science and Art at schoo

11、l.26. Mike sometimes _(go) to the park with his sister.27. she always _(watch) TV with his parents.28. _ Mike_(read) English every day?29. We will go shopping if it_ tomorrow.A don't rainB. didn't rainC.doesn't rainD. isn't rain9. How many lessons_your classmate_(have)on Monday?10.Wh

12、at time_his mother_(do) the housework?1. Do you often play football after school? (肯定回答 )2. I have many books. （改为否定句）3. Gao Shan 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. David has got a goal. （改为一般疑问句）7. We ha

13、ve four lessons.（否定句）8. Nancy doesnrunt fast （肯定句）9. My dog runs fast. 否定句： 一般疑问句：10. Mike has two letters for him. 一般疑问句：否定句：11. I usually play football on Friday afternoon.否定句 :一般疑问13.Mingming usually waters the flowers every day 否定一般疑问句 :划线提问14.Tom does his homework at home.否定句 :一般疑问句 :划线提问1.写出下列

14、动词的三单形式go_catch_brush（刷） _ wash_do_like_have_ watch_drink _ fly_say_learn _eat_ read_ sing_ buy_study_stay _ make _look_pass_carry _ come_ teach_buy_3.选择题1.I _to school at 7:00 in the morning.A. goB. goingC. goes2.They _books every day in the library.A.readsB. readC. reading3.The monkey_eating banan

15、as very much.A.likeB. likesC. liking4.My father _to read newspaper after supper every day.A.likeB. likesC. liking5.I like watching TV, but my mother _likeit.A. don t B. doesnCt. does6._your father drink milk every day? A.doB. areC. does8.He said the sun _in the east and _in the west.Arose; setB rise

16、s; setsC rises, setDrise;sets9.Wang Mei _ music and often _ to music.Alike; listenBlikes; listensC like;are listeningDliking ;listen10. Jenny_ Englishevery evening.Ahas studyB studiesC studyDstudied4.改错 (划出错误的地方，将正确的写在横线上)1. Is your brother speak English? _2. Does he likes going fishing? _3. He like

17、s play games after class. _4. Mr. Wu teachs us English. _5. She don't do her homework on Sundays. _5.把下列句子变成一般疑问句（并作肯定和否定回答）、否定句 I don't like cooking.1.My friends like playing soccer.2.They speak English every day.3.Daniel watches TV every evening4.John is from Canada.5.Tom does his homework

18、 at home.6.My dog runs fast.7Amy likes playing computer games.8She can play the piano well.一、 一般过去时的定义一般过去时表示过去某一时候或某一段时间所发生了的事情或存在的状态。常与过去时间yesterday, this morning, just now, a moment ago, in May, lastnight / year / week, once upon a time, the other day, just now , since的从句 in +过去年代二、有时用一般过去时 也是时态一

19、致的需要。如： I didn t know you werehre. 没想到你在这里。三： 1. 表示一系列的动作，尽管有先后，都用一般过去时，最后两个动词之间用 and 连结。如： He opened the door, rushed out and then disappeared他.打开门，冲了出去，然后就消失了。三、 一般过去时对谓语动词的 过去式构成。分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆，规则变化则遵循以下原则：(1) 一般在动词后加 -ed。如： play played, offer offered, weigh weighed, destroy destro

20、yed, signsigned.(2) 在以字母 e 结尾的动词后，只加 -d。如：like liked, provide provided, hatehated, datedated。(3) 在以 “辅音字母 +y”结尾的动词后，则改 y 为 i ，再加 ed。如： study studied.(4) 双写最后辅音字母，再加-ed 。如： plan planned, referreferred,regret regretted,stop-stopped第一部分：知识讲解1Be 动词在一般过去时中的变化： am 和 is 在一般过去时中变为 was。（ was not=wasn ）t are

21、在一般过去时中变为 were。（ were not=weren ）t带有 was 或 were 的句子，其否定、疑问的变化和is, am, are一样，即否定句在 was 或 were 后加 not，一般疑问句把 was 或 were 放到句首。3句中没有 be 动词的一般过去时的句子否定句： didn+动t词原形，如： Jim didngot home yesterday.一般疑问句：在句首加did，句子中的动词过去式变回原形。如： Did Jim go home yesterday?特殊疑问句：疑问词 +did+主语 +动词原形？如：What did Jim do yesterday?疑问

22、词当主语时：疑问词+动词过去式？如： Who went to home yesterday?5不规则动词过去式：am,is-wasare-were,do-did,see-saw,say-saidgive-gave, get- got,go-went,come-came,have-had,eat-ate,take-took,run-ran,sing-sang,put-put,make-made,read-read, write-wrote,draw-drew,drink-drank,fly-flew,ride-rode,speak-spoke,sweep-swept, buy-boughtswi

23、m-swam, sit-satbring-broughtcan-couldcut-cutbecome-became begin-began draw-drewfeel-feltfind-foundforget-forgot hear-heardkeep-keptknow-knewlearn-learnt （learned）leave-leftlet-letlose-lostmeet-metread-readsleep-sleptspeak-spoketake-tookteach-taughttell-toldwrite-wrotewake-wokethink-though过去时练习：写出下列动

24、词的过去式isam_ fly_ plant_ are _ drink_ play_ go_ make _ does_ dance_ worry_ ask _ taste_ eat_ draw_ put _ throw_ kick_ pass_ do _一、用 be 动词的适当形式填空。1. I _ an English teacher now.2. She _ happy yesterday.3. They _ glad to see each other last month.4. Helen and Nancy _ good friends.5. The little dog _ two

25、years old this year.6. Look, there _ lots of grapes here.7. There _ a sign on the chair on Monday.8. Today _ the second of June. Yesterday _ the first of June. It _ Children Days. All the students _ very excited.二、句型变换。There was a car in front of the house just now.否定句： _一般疑问句： _肯定回答： _否定回答： _2 They

26、 played football in the playground.否定句： _一般疑问句： _肯定回答： _否定回答： _三、用所给动词的适当形式填满空白。1. I _ (watch) a cartoon on Saturday.2. Her father _ (read) a newspaper last night.3. We _ to zoo yesterday (go), but we _ to the park. ( not go)4. _ you _ (visit) your relatives last Spring Festival?5. _ he _ (fly) a ki

27、te on Sunday? Yes, he _.6. Gao Shan _ (pull) up carrots last National Day holiday.7. I _ (sweep) the floor yesterday, but my mother _.(do)8. What _ she _ (find) in the garden last morning?She _ (find) a beautiful butterfly.9. It _ (be) Ben sbirthday last Friday10. We all _ (have) a good time last ni

28、ght.11. He _ (jump) high on last Sports Day.12. Helen _ (milk) a cow on Friday.13. She likes _ newspapers, but she _ a book yesterday. (read)14. He _ football now, but they _ basketball just now. (play)15. Jim smother _ (plant) trees just now.16. _ they _ (sweep) the floor on Sunday? No, they _.17.

29、I _ (watch) a cartoon on Monday.18 We _ (go) to school on Sunday.19. It _ (be) the 2nd of November yesterday. Mr White _ (go) to his office by car.20. Gao Shan _ (put) the book on his head a moment ago.21. Don t_ the house. Mum _ it yesterday. (clean)22. What _ you _ just now? I _ some housework. (d

30、o)23. They _ (make) a kite a week ago.24. I want to _apples.But my dad _all of them last month. (pick)25. _ he _ the flowers this morning? Yes, he _. (water)26. She _ (be) a pretty girl. Look, she _ (do) Chinese dances.27. The students often _ (draw) some pictures in the art room.28.What _ Mike do on the farm? He _ cows. (milk)1. I _ (have) an exciting party last weekend.2. -_ she _(practice) her guitar yesterday? -No, she _.3. -What _ Tom _ (do) on Saturday evening?-He _(watch) TV and _(read) an interesting book.4. They all _(go) to the mountains yest