初三总复习时态之一般现在时
1. 意义:1)表示现在经常发生的或习惯性的动作。
She catches a No.6 bus at six every morning. (catch)
2)表示主语现有的特征。
He __likes______ English very much.(like)
3)表示客观事实和普遍真理。(在宾语从句中)
The sun rises in the east. (rise)
The teacher said there ___are_____12 months in a year.(be)
4) 在时间、条件状语从句,从句用 一般现在时表将来,即主将从现.条件句引导词if/ unless ;时间状语从句引导词 when, before, after, until, as soon as
I’ll help him if he __has___(have )any trouble.
2标志词: every morning/day/week/year,on Sundays, in the afternoon/evening ,
表频率的副词always, usually, often, sometimes, hardly ever, never, once/ twice/….a week,
3. 构成:主语(其他人称)+ 动词原形;
主语(单三) + 动词变单三
Liu Ming usually TV after supper. (watch)
Sometimes we _______football in the afternoon.(play)
4. 动词的第三人称单数形式
1) 一般在动词后加s
2)以辅音字母加y结尾的,变y为i加es。
3)以s, x, ch, sh, o 结尾的, 加es。
5.一般现在时的被动: am/is/ are +P.P.
).She often meets her friends during the holidays.
Her friend ____ ______ _______ during the holiday. (is often met)
2).We visit the museum every Sunday.
The museum _____ _________ every Sunday. (is visited)
3)They don’t plant trees in winter.
Trees ______ ________ in winter. (aren’t planted )
4)Do they sell books in that shop
______books ______ in that shop (Are, sold)
5)Where does mum keep flowers
Where ______ flowers ________ (are, kept)
4、句型转换
变否定句 : 主语(其他人称)+don’t +动词原型
单三 +doesn’t +动词原型
变一般疑问句 :Do + 主语(其他人称) +动词原型
Does+ 单三 +动词原型
一般现在时考试易出题:
1 do/does/has
(1)You do your homework at home.(否)
_____________________________.
(2)She does some washing every week.(疑)
______________________________.
(3)He has lunch at school .(否)
______________________________.
比较:He has bought a lot of books.
_____ ____ ______a lot of books.
Exercise:
单项选择
1 -What’s Mr. Clarke going to do tomorrow (2002.福州)
--He’ll go fishing if it __________.
A. not rain B. don’t rtain C. won’t rain D. doesn’t rain
2.- Could you please tell Peter that I want to talk to him – Sure. I will let him know as soon as he ______back. (06 河北)
A. comes B. came C. has come D. will come
3. -Is that Chris speaking – Sorry, he isn’t in. He ______abroad on business.
A. goes B. went C. has gone D. will go
4. Every year many foreigners ______to China to learn Chinese.
A. have come B. comes C. came D. come
5.–I’m sorry to hear that Bill failed the exam again.-Don’t worry about him. I’m sure that he will never give up until he ______. (06 哈尔滨)
A. succeed B. succeeds C. succeeded D.success
6. If it ______sunny tomorrow, I ______fishing in South Lake.
A. is; go B. will be; go C. is ;will go D. will be; will go
7. I will tell him as soon as he _____ back
A. come B. comes C. will come D. came
8. ---- ____ Tom _____to work hard to help his family
-----Yes, he _____.
A.Has,/,doesB.Do,has,does C.Does,has,has D.Does, have,does
9. We’ll go to play with snow if it ______ tomorrow.
A. snow B. snows C. will snow D. snowed
10. Neither I nor he ______ French.
A. speak B. doesn't speak C. speaks D. doesn't speak
句型转换
1. Linda is good at playing tennis. (改为否定句)
Linda _____ _______good at playing tennis. (06 济南)
2. Kate usually goes to her office by bike. (划线提问)
_______ ______Kate usually _____to her office. (06济南)
3.Sam wants to look for a job in London after he graduates from university. (改为否定句) (06 上海)
Sam ______ _____ to look for a job in London after he graduates from university.
4. Lily has some red and blue pencils. (改为一般疑问句) (2002.福州)
______ Lily ______ any red and blue pencils
5.Alice does the shopping on Sundays. (改为否定句) (2003.济南)
Alice ______ ______ the shopping on Sundays
6.YuYing often helps her mother do some housework.(划线提问)
____ ____ Yu Ying often _____ her mother _____
Exercise答案:
单项选择:DACDB, CBDBC
句型转换:1. is not 2.How, does, go 3.doesn’t want 4.Does, have 5. doesn’t do 5. What does, help, do