1、一般现在时和一般过去时一般现在时和一般过去时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
2、 is not a real man. 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-asks work-works get-gets stay-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-fixes pass-passes(3)以“辅音字母加 - y”结尾的动词,要先变y为i再加-es.try-tries study-studies cry-cries fly-flies play plays2.不
3、规则变化:be- is are have-has do-does go-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(单数
4、she,he,it)变成问句;在主语后谓语动词前加助动词dont(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 dont 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 doesnt have a little brothe
5、r.(一)用动词的适当形式填空1. She _(go) to school at seven oclock.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 every day1
6、0. Chen Jie sometimes _(go)to the park with her sister.(二).选择填空1I want_homework now. A. doing B. to do C. to do my D. do my2Its time_.A. go to school B. play games C. to go home D. to do my homeworks13. 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
7、疑问句:划线提问1.写出下列动词的三单形式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. go B. going C. goes2. They _books every day in the library. A.reads B. read C.
8、reading3. The monkey_eating bananas very much.A.like B. likes C. liking4. My father _to read newspaper after supper every day.A.like B. likes C. liking5. I like watching TV, but my mother _like it.A. dont B. doesnt C. does6. _your father drink milk every day? A.do B. are C. does8. He said the sun _i
9、n the east and _in the west.A rose; set B rises; sets C rises, set D rise; sets9.Wang Mei _ music and often _ to music.A like; listen B likes; listens C like; are listening D liking ; listen10. Jenny_ English every evening.A has study B studies C study D studied4.改错(划出错误的地方,将正确的写在横线上)1. Is your brot
10、her speak English? _2. Does he likes going fishing? _3. He likes play games after class. _4. Mr. Wu teachs us English. _5. She dont 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 dont like cooking.1.My friends like playing soccer.2.They speak English every day.3.Daniel watches TV every
11、evening4.John is from Canada. 5.Tom does his homework 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, last night / year / week, once upon a time, the
12、 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致的需要。如:I didnt know you were here. 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:playpla
13、yed, offeroffered, weighweighed, destroy destroyed, signsigned. (2) 在以字母e结尾的动词后,只加-d。如:likeliked, provideprovided, hate hated, 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:planplanned, referreferred, regretregretted, 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
14、中变为was。(was not=wasnt)are在一般过去时中变为were。(were not=werent)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:didnt +动词原形,如:Jim didnt go 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 yester
15、day?疑问词当主语时: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-was are-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
16、,buy-boughtswim-swam,sit-satbring-brought can-couldcut-cutbecome-became begin-began draw-drew feel-feltfind-foundforget-forgothear-heardkeep-kept know-knewlearn-learnt(learned)leave-leftlet-letlose-lost meet-metread-readsleep-slept speak-spoketake-tookteach-taughttell-toldwrite-wrote wake-woke think
17、-though过去时练习:写出下列动词的过去式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 litt
18、le dog _ two 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 _ Childrens Day. 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
19、回答:_2 They 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 _ (fl
20、y) a kite 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) Bens birthday last Friday 10. We all _ (have) a good tim
21、e last night.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. Jims mother _ (plant) trees just now.16. _ they _ (sweep) the floor on Sunday? No, t
22、hey _.17. 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. Dont _ the house. Mum _ it yesterday. (clean)22. What _ you _ just now? I _ some ho
23、usework. (do)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
24、_ 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 yesterday morning.5. She _(not visi
25、t) her aunt last weekend.She _ (stay) at home and _(do) some cleaning.1 My fatherill yesterdayA isnt B arent C wasnt D werent2 your parents at home last weekA Is B Was C Are D Were3 The twinsin Dalian last year Theyhere now A are; were B were; are C was; are D were; was4 your father at work the dayy
26、esterday (前天)A Was; before B Is; before C Was; after D Is; after5 Who was on duty last FridayA I am B I was C Yes, I was D No, I wasnt 四、改写句子:1、Lucy did her homework at home.(改否定句)Lucy _ _ her homework at home.2、He found some meat in the fridge(冰箱).(变一般疑问句)_ he _ _ meat in the fridge?3、There was some orange in the cup.(变一般疑问句)_
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