八年级下册英语语法练习.doc

八年级英语语法总结和练习
一、宾语从句练习题
I．从下列A、B、C、D中选择一个正确选项填空。
1. I don't know _________ he will come tomorrow. _________ he comes, I'll tell you．
A. if; Whether B. whether; Whether C. if; That D. if; If
2. I don't know _________ the day after tomorrow.
A. when does he come B. how will he come
C. if he comes D. whether he'll come
3. Could you tell me _________ the nearest hospital is?
A. what B. how C. whether D. where
4. Could you tell me _________ the radio without any help?
A. how did he mend B. what did he mend
C. how he mended D. what he mended
5. I want to know _________.
A. whom is she looking after B. whom she is looking
C. whom is she looking D. whom she is looking after
6. Do you know where _________ now?
A. he lives B. does he live C. he lived D. did he live
7. Do you know what time _________?
A. the train leave B. does the train leave C. will the train leave D. the train leaves
8. I don't know _________. Can you tell me, please?
A. how the two players are old B. how old are the two players
C. the two players are how old D. how old the two players are
9. The small children don't know _________.
A. what is their stockings in B. what is in their stockings
C. where is their stockings in D. what in their stockings
10. I can't understand _________.
A. what does Christmas mean B. what Christmas does mean
C. what mean Christmas does D. what Christmas means
II. 按要求转换句型。
1. Does Mr. Brown enjoy living in China? Could you tell us?（改写句子）
→Could you tell us _________ Mr. Brown _________ living in China?
2. "Does the girl need any help?” he asked me.（变为复合句）
→He asked me _________ the girl _________ some help．
3. Jim is not a student. Tom is not a student, either.（合并为一个句子）
_________ Jim _________Tom is a student.
4. When does the train leave? I want to know.（改为含宾语从句的复合句）
I want to know _________ the train _________.
5. They went home after they had finished their homework. (用not．．．until改写)
They _________ go home _________ they had finished their homework．
6. Did Peter come here yesterday? Li Lei wants to know. (改为含宾语从句的复合句)
Li Lei wants to know _________ Peter _________ here yesterday.

二、Be动词和情态动词的练习题
I.用be动词的适当形式填空。
1.—— you a student? ——No, I not.
2.—— he from China? ——No, he .
3.You my good friend.
4.Jim and I in the same team.
5.Where his football?
6.I a student one year ago but now I a teacher.
7.The CDs on the bookcase yesterday morning.
8.There a pair of glasses under the newspaper a moment ago.
9.We at school now.
10. ——What they? ——They model planes.
II.按要求写出下列单词的相应形式。
1.can(否定形式) 2.must(否定形式)
3.shouldn’t(完全形式) 4.may not(肯定形式)
5.could not(缩写形式) 6.can’t(完全形式)
7.shall(否定形式) 8.would not(缩写形式)
III.选择填空。
( )1.The sign on the wall means you stay away form the building.
A.must B.can’t C.shouldn’t
( )2.How many books you see on the desk?
A.may B.can C.should
( )3.It means you make noise in the library.
A.should B.shouldn’t C.can
( )4. —— you like a glass of milk? ——Yes, please.
A.May B.Could C.Would
( )5. —— you see the sign over there? ——Sorry,I can’t.
A.Can B.Can’t C.Should
( )6. we go to the park by bus?
A. May B.Must C.Shall
( )7.-Can I go fishing with you,Dad?
-No,you _____.You ______stay at home and do your homeworkfirst.
A.won't;may B.can't must C.shouldn't;ought D.needn't; should
( )8.-Do you know whose dictionary it is?
-It ______ Li Mei's. His name is on it.
A.can't B.must't
C.shouldn't D.needn't
( )9.-I can't stop smoking ,doctor.
-For your health,I'm afraid you ______.
A.can B.can't C.must D.mustn't
( )10.-Is Mr.Brown driving here?
-I'm not sure. He ______come by train.
A.may B.shall
C.need D.must

IV.反义疑问句和情态动词
反义疑问句：
1.Plastic bags have caused serious environmental pollution,________?
A.haven't they B.have they C.don't they D.do they
2.Don't forget to put the book back on the shelf,_________?
A.do you B.don't you C.will you D.won't you
3.-Sometimes children hardly understand their parents,________?
-No,they ______.I think they should try to understand their parents.
A.don't they;don't B.don't they;do
C.do they; do D.do they;don't
4.The book must be Lucy's,________?
A.isn't it B.mustn't it
C.needn't it D.is it
5.You'd like a cup of coffee,_________?
A.hadn't you B.wouldn't you
C.didn't you D.should't you
6.-Your brother doesn't get up early,does he?
-_________.But he gets up late on weekends.
A.Yes,he does B.No,he doesn't
C.Yes,he is D.No,he isn't
7.Peter hardly had anything for breakfast,_________?
A.wasn't he B.had he
C.didn't he D.did he

三、过去进行时练习题
I.用动词的适当形式填空。
1. While we __________ (wait) for the bus, a girl __________ (run) up to us.
2. I __________ (telephone) a friend when Bob __________ (come) in.
3. I _____ (have) my breakfast at half past six yesterday morning.
4. What _____ you ___ (do) at that time?   We _____ (watch) TV.
5. Was your father at home yesterday evening? Yes ,he was. He _____ (listen) to the radio.
6. _____ they ____ (have) a meeting at 4 yesterday afternoon?
No, they _____. They _____ (clean) the classroom.
7. ______ it ______(rain) when you left school?  Yes, it ____. (No, it ____)
8. What _____ your father _____ (do) when he was your age?
II.选择题。
1.    I ______ a meal when you _____ me.
A. cooked, were ringing         B. was cooking, rang     
C. was cooking, were ringing        D. cooked, rang
2.    He said he _____ to draw a plane on the blackboard at that time.
A. tries            B. tried           C. was trying          D. will try
3.    While she ______ TV, she ______ a sound outside the room.
A. was watching, was hearing    B. watched, was hearing
C. watched, heard        D. was watching, heard
4.    What book ____ you ______ when I ____ you at four yesterday afternoon?
A. did, read, was seeing     B. did, read, saw
C. were, reading, saw         D. were, reading, was seeing
5.   While mother _______ some washing, I _____ a kite for Kate.
A. did, made           B. was doing, made C. was doing, was making    D. did, was making
6.   “_______ you angry then?” “they ______ too much noise.”
A. are, were making              B. were, were making    C. are, made    D. were, made
7.   He ____ some cooking at that time, so _____ me
A. did, heard   B. did, didn’t hear  C. was doing, heard        D. was doing, didn’t hear
8.   His parents wanted to know how he _____ on with his new classmates.
A. was getting         B. gets     C. is getting     D. will get

四、if 条件状语从句的时态练习

1、放大镜为什么能放大物体的图像呢？我们注意到它的特点了吗？（P3）一．在正确的答案下划一条线。
1.Daina ( will go/go/goes) to Europe if she (will pass/pass/passes) the exams .

二、问答：2. The graduates (will teach/teach/teaches) in the poor village if the Ministry of Education (will agree/ agree/agrees) on.
3. If it (won’t/don’t/doesn’t/ isn’t) rainy, we (will take/ take/takes) walk outside.
4. If a UFO (will land/land/lands) in front of me, I (will go/go/goes) in to look for the alien.

8、地球自转一周的时间是一天；地球公转一周的时间是一年；月球公转一周的时间是农历一个月。5. If he (will have/have/has) money, he (will bulid/build/builds) a science lab.
6.Don’t wait for me if I (am/ will be) late.

3、你知道哪些化学变化的事例呢？举出几个例子。7.They (won’t/don’t) go to the beach if it (will rain/rain /rains).
8. I (will call/ call) you if he (will stay/stay /stays) at home.

3、米饭里面的主要成分是淀粉。米饭淀粉遇到碘酒，颜色变成蓝色，这种蓝色物质是一种不同于米饭和淀粉的新物质。9. Mr Smith (will let/ let/lets) you know if he (will need/ need/ needs) help.
10. (Will / Do/ Does) he visit the museum if he (won’t / don’t/ doesn’t) get  tired?

6、二氧化碳气体有什么特点？二、用所给词的适当形式填空
1.If you ________(feel) tired, you _______________ (have) to have a rest.
2. Where _______ he _________(see) the film if he ________________(have) time?
3. If there __________(be) fewer trees, there _______________( be) more pollution.

答：无色无味，比空气重，不支持燃烧。4. He _____________(dress)  more casually if he ________________( not work) on weekends.
5. If Marcia _____________(live) alone, she ___________________( keep) a pet parrot.
6. Lana ________________( buy) a new dress if the old one ____________(be) out of style.
7.The twins ______________(fight) if they_______________(argue).

4、科学家研究表明昆虫头上的触角就是它们的“鼻子”，能分辨出各种气味，比人的鼻子灵敏得多。10. If Mr Green ___________(say) I am hard- working, my parents _________( feel) glad.

7、我们每个人应该怎样保护身边的环境？11.I ____________(go) to the beach if it________________ ( not rain) this week.

21、人们发现银河系以外还有类似银河系一样庞大的恒星集团，如：仙女座星系、猎犬座星系，目前人类已发现了超过100亿个河外星系。12. __________they __________( have) a match if the P.E. teacher _____________(be) busy?
13.He ____(write) a letter to his grandparents if he ____(get) his report card this week.
14. If she ____________(get) up late, she _____________ ( not catch) the early bus.