can,may,need,must的肯定句,疑问句及其回答,特殊疑问句的结构.各举一例
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can,may,need,must的肯定句,疑问句及其回答,特殊疑问句的结构.各举一例
像这样
can:肯定句.
疑问句:.
肯定回答:.
否定回答:.
特殊疑问句:.
像这样
can:肯定句.
疑问句:.
肯定回答:.
否定回答:.
特殊疑问句:.
may I do...?
Yes, you may.
No, you can't/ mustn't.
Can I do sth?
Yes, you can.
No, you can't.
Must I do sth?
Yes ,you must.
No, you needn't./ No, you don't have to .
Need I do sth?
Yes , you must.
No, you needn't.
也可以看看这个
—Must
I do it at once?
—No,you
____.
A.mustn't
B.needn't
C.can't
D.don't
此题应选B.一般说来,以must引出的一般疑问句,其否定回答通常是用needn't(=don't
have to),这与其说是一个语法问题,不如说是一个语境或上下文是否通顺的问题.
注意以下各组问答句,并注意体会其汉语译文:
1.—Must
I come before dawn?我必须天亮前来吗?
—Yes,you
must.是的,必须天亮前来.
—No,you
needn't.不必天亮前就来.
—No,you
don't have to.不必天亮前就来.
2.—May
I smoke in the room?我可以在这个房间抽烟吗?
—Yes,you
may.当然可以.
—Of
course you may[can].当然可以.
—No,you
may not[mustn't,can't].不行.(语气较生硬)
—You'd
better not[Better not].最好不要抽.
—I'd
rather you didn't.还是不抽的好.
—Please
don't.请不要抽.
3.—Need
I finish it today?我必须今天完成它吗?
—Yes,you
must[have to,should].是的,今天必须完成它.(肯定回答不能用Yes,you
need,因为情态动词need只用于否定句或疑问句,不用于肯定句)
—No,you
needn't.不必今天就完成它.
—No,you
don't have to.不必今天就完成它
Yes, you may.
No, you can't/ mustn't.
Can I do sth?
Yes, you can.
No, you can't.
Must I do sth?
Yes ,you must.
No, you needn't./ No, you don't have to .
Need I do sth?
Yes , you must.
No, you needn't.
也可以看看这个
—Must
I do it at once?
—No,you
____.
A.mustn't
B.needn't
C.can't
D.don't
此题应选B.一般说来,以must引出的一般疑问句,其否定回答通常是用needn't(=don't
have to),这与其说是一个语法问题,不如说是一个语境或上下文是否通顺的问题.
注意以下各组问答句,并注意体会其汉语译文:
1.—Must
I come before dawn?我必须天亮前来吗?
—Yes,you
must.是的,必须天亮前来.
—No,you
needn't.不必天亮前就来.
—No,you
don't have to.不必天亮前就来.
2.—May
I smoke in the room?我可以在这个房间抽烟吗?
—Yes,you
may.当然可以.
—Of
course you may[can].当然可以.
—No,you
may not[mustn't,can't].不行.(语气较生硬)
—You'd
better not[Better not].最好不要抽.
—I'd
rather you didn't.还是不抽的好.
—Please
don't.请不要抽.
3.—Need
I finish it today?我必须今天完成它吗?
—Yes,you
must[have to,should].是的,今天必须完成它.(肯定回答不能用Yes,you
need,因为情态动词need只用于否定句或疑问句,不用于肯定句)
—No,you
needn't.不必今天就完成它.
—No,you
don't have to.不必今天就完成它
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