時(shí)態(tài)是英語(yǔ)學(xué)習(xí)中一個(gè)至關(guān)重要的內(nèi)容，廣大初中學(xué)生在實(shí)際運(yùn)用時(shí)，往往對(duì)時(shí)態(tài)總是倍感棘手，下面我們就歸納復(fù)習(xí)一下這幾種時(shí)態(tài)。要求學(xué)生掌握動(dòng)詞5種時(shí)態(tài)的基本結(jié)構(gòu)
一般現(xiàn)在時(shí)：
概念：經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況。
時(shí)間狀語(yǔ)：always, usually, often, sometimes, every week (day, year, month?),
once a week, on Sundays, etc.
基本結(jié)構(gòu)：①be動(dòng)詞；②行為動(dòng)詞
否定形式：①am/is/are+not;②此時(shí)態(tài)的謂語(yǔ)動(dòng)詞若為行為動(dòng)詞，則在其前加don't,
如主語(yǔ)為第三人稱單數(shù)，則用doesn't，同時(shí)還原行為動(dòng)詞。
一般疑問(wèn)句：①把be動(dòng)詞放于句首；②用助動(dòng)詞do提問(wèn)，如主語(yǔ)為第三人稱單數(shù)，則用does，同時(shí)，還原行為動(dòng)詞。
二、一般過(guò)去時(shí)：
概念：過(guò)去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過(guò)去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。
時(shí)間狀語(yǔ)：ago, yesterday, the day before yesterday, last week(year, night, month?), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
基本結(jié)構(gòu)：①be動(dòng)詞；②行為動(dòng)詞 否定形式：①was/were+not;②在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞。
一般疑問(wèn)句：①was或were放于句首；②用助動(dòng)詞do的過(guò)去式did 提問(wèn)，同時(shí)還原行為動(dòng)詞。
三、現(xiàn)在進(jìn)行時(shí)：
概念：表示現(xiàn)階段或說(shuō)話時(shí)正在進(jìn)行的動(dòng)作及行為。
時(shí)間狀語(yǔ)：now, at this time, these days, etc.
基本結(jié)構(gòu)：am/is/are+doing
否定形式：am/is/are+not+doing. 一般疑問(wèn)句：把be動(dòng)詞放于句首。
四、過(guò)去進(jìn)行時(shí)：
概念：表示過(guò)去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作。
時(shí)間狀語(yǔ)：at this time yesterday, at that time或以when引導(dǎo)的謂語(yǔ)動(dòng)詞是一般過(guò)去時(shí)的時(shí)間狀語(yǔ)等。
基本結(jié)構(gòu)：was/were+doing
否定形式：was/were + not + doing.
一般疑問(wèn)句：把was或were放于句首。
五、現(xiàn)在完成時(shí)：
概念：過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響
2 現(xiàn)在的動(dòng)作或狀態(tài)。
時(shí)間狀語(yǔ)：recently, lately, since?for?,in the past few years, etc.
基本結(jié)構(gòu)：have/has + done
否定形式：have/has + not +d one.
一般疑問(wèn)句：have或has。

時(shí)態(tài)習(xí)題：

1. --- Oh, dear. I forgot the air tickets.

　　--- You ______ something.

　　A. have left B. are always leaving

　　C. are leaving D. always left

2. --- I ______ so busily recently that I ______ no time to help you with your math.

　　--- That’s OK. I can manage it by myself.

　　 A. have been working; have B. have worked; had

　　C. am working; will have D. had been working; had had

3. Remember to send me a photo of us next time you ______ to me.

　　A. are writing B. will write

　　C. has written D. write

4. He ______ at the meeting, but his heart attack prevented him.

　　A. will speak B. is going to speak

　　C. had to speak D. was going to speak

5. --- I beg your pardon, but I didn’t quite catch you.

　　　 --- Oh, I ______ myself.

　　A. am talking to B. talked about

　　C. have talked to D. was talking to

6. I ______ ping-pong quite well, but I haven’t had time to play since the New Year.

　　　 A. will play B. have played

　　C. played D. play

7. I first met Tom 10 years ago. He ______ in a radio factory at that time.

　　A. had worked B. has worked

　　C. was working D. has been working

8. --- What ______ when I phoned you?

　　--- I ______ my work, and I wanted to go out.

　　A. have you done; finished B. were you doing; have finished

　　C. did you do; had just finished D. were you doing; had just finished
?