内容正文:
单元语法清
英语 七年级下册 人教版
四清导航
语法精讲
1.can的句式结构
(1)肯定句:主语+can+动词原形(+其他).
(2)否定句:主语+can't+动词原形(+其他).
(3)一般疑问句:Can+主语+动词原形(+其他)?
肯定回答:Yes,主语+can.
否定回答:No,主语+can't.
(4)特殊疑问句:特殊疑问词(组)+can+主语+动词原形(+其他)?
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2.can的基本用法
(1)表示能力,意为“能;会”。如:
Bill can swim.比尔会游泳。
(2)表示请求或许可,意为“可以”。如:
Can I use your dictionary?我能用你的字典吗?
(3)表示推测,意为“可能”,常用于疑问句和否定句。如:
Can it be true?它可能是真的吗?
This book can't be Tom's.这本书不可能是汤姆的。
3.情态动词could的用法
(1)could是can的过去式,用来表示过去的能力。如:
I could swim two years ago.我两年前会游泳。
(2)用could来征求对方的意见或向对方提出请求,表达委婉、客气的语气。如:
—Could you please help me?你可以帮我吗?
—Yes,of course.是的,当然。
语法精练
一、单项选择。
( )1.—Can you ________ chess?
—No,I can't.
A.plays B.play C.to play D.playing
( )2.—Can you dance?
—Yes,I ________.
A.can B.do C.can't D.don't
( )3.—Can he write in English?
—No,he ________.
A.can B.can't C.does D.doesn't
B
A
B
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( )4.—Is that red schoolbag Mary's?
—No.It ________ be hers.She hates(讨厌) that color.
A.may B.must
C.can't D.might
( )5.—Can we talk about the book in the library?
—________.We have to be quiet(安静的).
A.Yes,we can B.Yes,we do
C.No,we can't D.No,we don't
C
C
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( )17.Tom can ________. He wants to join the ________ club.
A.swim;swim
B.swimming;swimming
C.swim;swimming
D.swimming;swim
( )18.—________ can these people do?
—They can sing and dance.
A.What B.Where
C.Why D.When
C
A
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二、句子翻译。
根据所给中文完成句子翻译。
6.吉姆会做什么?
_________ Jim do?
7.约翰会说汉语。
John ________________.
8.你能帮助我吗?
_____________ me?
9.这台电脑不可能是玛丽的。
___________________________.
10.你能告诉我你的名字吗?
________________________________?
What can
can speak Chinese
Can you help
This computer can't be Mary's
Could you please tell me your name
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