三種時(shí)態(tài)的使用及句型轉(zhuǎn)換

1、時(shí)態(tài)名稱時(shí)態(tài)含義動(dòng)詞形式時(shí)態(tài)提示詞一般現(xiàn)在時(shí)表示經(jīng)常性、反復(fù)性的動(dòng)作或長期的狀態(tài)1、 用原形2、 第三人稱單數(shù)動(dòng)詞加s或es。always, usually, often,sometimes,seldom,never,every詞組等或根據(jù)句意判斷。現(xiàn)在進(jìn)行時(shí)表示動(dòng)作正在進(jìn)行be+Vinglook,see,listen, hear,now等或根據(jù)句意判斷。一般將來時(shí)表示動(dòng)作將要發(fā)生1、 Ge going to+ V原形2、 Will+V原形tomorrow, next詞組等或根據(jù)句意判斷。（一） 一般現(xiàn)在時(shí)基本用法介紹。一般現(xiàn)在時(shí)的構(gòu)成1. be動(dòng)詞：主語+be(am,is,are)+其它。如

2、：I am a boy.我是一個(gè)男孩。2.行為動(dòng)詞：主語+行為動(dòng)詞(+其它)。如：We study English.我們學(xué)習(xí)英語。當(dāng)主語為第三人稱單數(shù)(he, she,it)時(shí)，要在動(dòng)詞后加"-s"或"-es"。如：Mary likes Chinese.瑪麗喜歡漢語。一般現(xiàn)在時(shí)的變化1. be動(dòng)詞的變化。否定句：主語+ be + not +其它。如：He is not a worker.他不是工人。一般疑問句：Be +主語+其它。如：-Are you a student? -Yes. I am. / No, I'm not. 2.行為動(dòng)詞的變化。

3、否定句：主語+ don't( doesn't ) +動(dòng)詞原形(+其它)。如：I don't like bread. 當(dāng)主語為第三人稱單數(shù)時(shí)，要用doesn't構(gòu)成否定句。如：He doesn't often play. 一般疑問句：Do( Does ) +主語+動(dòng)詞原形+其它。如：- Do you often play football? - Yes, I do. / No, I don't. 當(dāng)主語為第三人稱單數(shù)時(shí)，要用does構(gòu)成一般疑問句。如：- Does she go to work by bike? - Yes, she does. /

4、 No, she doesn't. （二）練習(xí)1.  I am a teacher. （變成否定句）_2.  You are student.  (變成一般疑問句)_3.  We have math class on Tuesday. (變成一般疑問句)_一般現(xiàn)在時(shí)用法專練:一、用括號(hào)內(nèi)動(dòng)詞的適當(dāng)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 _ (no

5、t 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

6、) 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 H

7、ai and Su Yang _ (have) eight lessons this term.20. What day _ (be) it today? Its Saturday.二、按照要求改寫句子。1. Daniel watches TV every evening.(改為否定句) _2. I do my homework every day.(改為一般疑問句，作否定回答) _3. She likes milk.(改為一般疑問句，作肯定回答) _4. Amy likes playing computer games.(改為一般疑問句，作否定回答) _5. We go to school

8、every morning.(改為否定句) _6. He speaks English very well.(改為否定句) _7. She is always a good student.(改為一般疑問句，作否定回答) _10. Simon and Daniel like going skating.(改為否定句) 三、改錯(cuò)(劃出錯(cuò)誤的地方，將正確的寫在橫線上) 1. Is your brother speak English? _2. Does he likes going fishing? _3. He likes play games after class. _4. Mr. Wu t

9、eachs us English. _5. She dont do her homework on Sundays. _分辨并寫出下面時(shí)態(tài)：1. Look, she is watching TV. ( ) Im going to call you tomorrow.( )I always do my homework after school.( )2.I am usually at home every night.（ ） I am having an English lesson now.（ ）3.You arent often at school every morning.（ ） He

10、 is going to play computer games this weekend.（ ）(三)一般將來時(shí)1、意義: 表示將來某個(gè)時(shí)間要發(fā)生的動(dòng)作，常與表示將來的時(shí)間狀語連用。如：tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this evening 2、 構(gòu)成及變化一般將來時(shí)常用的兩種結(jié)構(gòu)be going to+動(dòng)詞原形 : 表示打算、準(zhǔn)備做的事或即將發(fā)生或肯定要發(fā)生的事。shallwill+動(dòng)詞原形 : 表示將要發(fā)生的動(dòng)作或情況，沒有太多的計(jì)劃性, 還用來表示意愿（1） be g

11、oing to +動(dòng)詞原形肯定句  主語+ be(am /,is,/ are) going to +動(dòng)詞原形+其它成份My sister is going to learn English next year. 我姐姐準(zhǔn)備明年學(xué)英語。否定句   主語+be（am / is / are）not going to +動(dòng)詞原形 +其它成份I am not going to（go to）the cinema tonight. 我今天晚上不打算去看電影。一般疑問句 Be (am / is / are)+主語+going to+動(dòng)詞原型+其它成份?Is your f

12、ather going to play basketball with you ?No , he isnt.你父親打算和你去打籃球嗎?不。特殊疑問句特殊疑問詞(Wh-)+一般疑問句 ?Where are you going to spend Spring Fesital.? 春節(jié)你打算在哪過？（2）will /shall +動(dòng)詞原形 （在書面語中，主語是第一人稱時(shí)，常用shall）肯定句   主語+will/shall+動(dòng)詞原形+其它成份I (shall) write to him next week. 下周我將給他寫信。否定句  主語 + will /

13、shall+ not + 動(dòng)詞原形 +其它成份 They wont watch TV this evening.今天晚上他們不看電視。一般疑問句 will/shall+主語 +動(dòng)詞原形+其它成份Will you stay at home with us tomorrow ？ 明天你和我們呆在家里好嗎？特殊疑問句 特殊疑問詞(Wh-) +一般疑問句When will your father be back? 你爸爸什么時(shí)侯回來？Step4、同步練習(xí)。一、根據(jù)中文提示完成句子。(1) The boy _(打算騎自行車上學(xué)).(2) I'd like to _(和我的朋友們?nèi)ヂ糜?by pl

14、ane.(3) The train _(將出發(fā)前往香港)at half past eight tomorrow morning.(4) The children _(參觀博物館).(5) We're going to Beijing _(五天游).二、把下列句子翻譯成英語。1. 下星期天我打算跟爺爺去我叔叔的農(nóng)場。2. 你們打算乘火車去武漢嗎？3. 你們打算什么時(shí)候出發(fā)去澳門？4. 明天他們打算留在家里嗎？5. 他們打算怎樣到那里？6. 那些學(xué)生準(zhǔn)備在上海停留多久？三、用動(dòng)詞的適當(dāng)形式填空。1. Listen, Lily and Vincy _(be)_(sing)in the classroom.2. There are many children in the park. They are _(play) games there.3. Jim and John _(like) watching TV very much.4. Tomorrow is Sunday. We are _(go)to _(visit) the Guangzho