Unit 3
Could you please clean your room?
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单元语法聚焦三
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Unit 3
Could you please clean your room?
情态动词
could
表示请求
1
.
could
引导的句子表示请求
(1)“Could you please do…
?
”
意为
“
请你做
……
好吗?
”
,表示请求对方做某事。表达否定意义时,用
“Could you please not do…
?
”
,意为
“
请不要做
…
…好吗?”
please
可放在句中,也可以放在句末。 如:
Could you give me a hand, please?
请帮我一下好吗?
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Could you please not speak so loudly?
请不要这么大声说话好吗?
(2)“Could I do…
,
please
?
”
意为
“
请问我能做
……
吗?
”
,表示请求允许。 如:
Could I have a look at your new computer, please?
请问我可以看看你的新电脑吗?
(3)
表示请求,还可以用
“Would you please do…
?
”
等。如:
Would you bring the photos here?
你把照片带到这儿来好吗?
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2
.对
could
引导的一般疑问句的应答
(1)could
表示请求时,同意请求可用:
Yes./Certainly./Of course./Yes, please./It's OK./No problem./All right./I'll be glad to.
等。如:
—Could you buy a new bike for me, Mom?
妈妈,您能给我买辆新自行车吗?
—Certainly.
当然可以。
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(2)
如果不同意请求,出于礼貌,通常要用委婉语气,可用:
I'm sorry, you can't(…)/Sorry, I'm afraid not(…)/You'd better not(…)/I'm sorry, but…/No, please don't(…)
等。如:
—Could you please do the dishes?
你可以洗餐具吗?
—Sorry, I'm afraid not. I have to do my homework at once.
对不起,恐怕不行。我得马上写作业。
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(3)could
表示请求时,无论是肯定还是否定回答,都要用确定的语气,可用
can
或
may
,避免使用
could
。
could
在应答中表示不确定语气,容易让对方误解。如:
—Could you give me a hand, please?
请问你能帮我一下吗?
—Certainly, I can.
当然,我能。
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(4)could
作为
can
的过去式时,不表示委婉语气,对其一般疑问句的回答仍然用
could
。如:
—Could she sing English songs at the age of five?
她五岁时会唱英文歌曲吗?
—Yes, she could.
是的,她会。
—No, she couldn't.
不,她不会。
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( )
1.2018·
临沂
Could you please speak a little louder? I _____ hear you very well.
A
.
can't B
.
mustn't
C
.
shouldn't D
.
needn't
A
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( )
2.2018·
兰州
—Jerry, could you tell me how to take a taxi through “Didi”
?
—________
.
A
.
Take it easy
B
.
You are welcome
C
.
Thank you
D
.
Sure, I'd love to
D
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(
)3.2018·
抚顺
—Could you please help me carry the heavy bag?
—________
.
A
.
It's a pleasure
B
.
With pleasure
C
.
You're welcome
D
.
It doesn't matter
B
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( )
4.2017·
重庆
B —Robert, could you wash the car for me?
—
Yes, I________. I'm coming, Dad.
A
.
could B
.
couldn't
C
.
can D
.
can't
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C
【
解析
】
本题考查情态动词的用法。以
could
引导的表示请求的疑问句,肯定回答用
can
,否定回答用
can't
。故选
C
。
( )
5.2017·
滨州
—Could I invite my friends to the party on Saturday, Mom?
—Of course you ________. That sounds like fun.
A
.
may B
.
could
C
.
must D
.
can
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D
【
解析
】
考查情态动词的用法。
“Could I…
?
”
用于向对方提出请求,意为
“
我可以
……
吗?
”
对方若接受请求,常回答
“Yes/Sure, you can.”
故选
D
。
( )
6.2017·
襄阳
—Could you go to the new movie with me now?
—Sorry, I ________. Look, it's time for me to watch
The
Reader
on CCTV.
A
.
can't B
.
can
C
.
needn't D
.
must
A
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