一般現(xiàn)在時(shí)精講精練

1、一般現(xiàn)在時(shí)的精講精練 :一、定義與講解 一般現(xiàn)在時(shí)：表示經(jīng)常性的事情，經(jīng)常性的動(dòng)作或一般性事實(shí)。時(shí)間狀語(yǔ)：often 經(jīng)常，usually 通常，always 總是，every每個(gè)，sometimes 有 時(shí)，at在幾點(diǎn)鐘只有在第三人稱單數(shù)用動(dòng)詞的“三單變化” ，其他用動(dòng)詞的原形。 三單變化： 1.多數(shù)在動(dòng)詞后 s play plays like likes （ 1）直接在動(dòng)詞詞尾加 -s.ask-askswork-works get-getsstay-stays（2） 以字母s, x, ch, sh或o結(jié)尾的動(dòng)詞，在詞尾直接加-es.watch-watches wish-wishes fix

2、-fixesdo-doesgo-goespass-passes（3）以“輔音字母加-y”結(jié)尾的動(dòng)詞，要先變y為i再加-es.try-triesstudy-studies cry-criesfly-flies2. 不規(guī)則變化：be is are havehas二、一般現(xiàn)在時(shí)用法1. 表示經(jīng)常性，習(xí)慣性 ,永久性的動(dòng)作或存在的狀態(tài) .通常與副詞 sometimes, ofte n, usually, always, every day （year, month ）, once （twice, three times） a day等 日寸 間狀語(yǔ)連用。They usually go to schoo

3、l by bike.I take the medicine three times a day.She helps her mother once a week.Mary's father is a policeman.There are 50 students in my class.2. 表示客觀真理，科學(xué)原理，自然現(xiàn)象，等客觀事實(shí)或格言，諺語(yǔ)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 man

4、.Tomorrow is Tuesday.三、一般現(xiàn)在時(shí)的句子轉(zhuǎn)換：（ 1）當(dāng)句子中有 be 動(dòng)詞或情態(tài)動(dòng)詞時(shí)，則把 be 動(dòng)詞或情態(tài)動(dòng)詞 （can,could 等 等）提到主語(yǔ)的前面變成疑問(wèn)句；在be動(dòng)詞或情態(tài)動(dòng)詞后面加not變成否定句.例：陳述句：She is a stude nt.疑問(wèn)句f Is she a student?否定句f She is not a student.陳述句： I can swim.疑問(wèn)句f Can you swim 否定句f I can not swim.（2）當(dāng)句子中即沒(méi)有be動(dòng)詞，也沒(méi)有情態(tài)動(dòng)詞時(shí)，則在主語(yǔ)前加助動(dòng)詞do （you,以及復(fù)數(shù)）,does （單

5、數(shù)she,he,it）變成問(wèn)句；在主語(yǔ)后謂語(yǔ)動(dòng)詞前加助 動(dòng)詞don' t （I,you,以及復(fù)數(shù)）,doesn' t （單數(shù)she,he,i）變成否定句，助動(dòng)詞后 的動(dòng)詞要變成動(dòng)詞原形。例：陳述句： We get up at 7:00 every morning.疑問(wèn)句f Do you get up at 7:00 every morning?否定句f We don' t get up at 7:00 every morning.陳述句： She has a little brother.疑問(wèn)句f Does she have a little brother?否定句f

6、She doesn t have a little brother.一) 用動(dòng)詞的適當(dāng)形式填空1. She (go) to school at seven oclock.2. It's 6 o'clock. They are (eat) supper.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.

7、My father (make) toys these days.9?Amy (read) English every day10. Chen Jie sometimes (go)to the park with her sister.二) .選擇填空1I wanthomework now. A. doing B. to do C. to do my D. do my2It's time.A. go to school B. play games C. to go home D. to do my homeworks3go and help her. A. Let's me B

8、. Let's us C. Let's D. Let's to4Do they have a new car? Yes,.A .they are B.they have C. they don't D. they do5He often supper at 6:00 in the evening.A. have B. has c. is having D. is eating6. We any Chinese classes on Friday.A. are having B. aren't having C. don't have D. are

9、 have三) 、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(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.