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be able to属于情态动词吗
Can和
be
able
to
有什么区别吗?
答:
5. can
是情态动词
,只能用作谓语成分,
be
able
to是
普通动词短语,既可以作谓语,也可以作非谓语。如:How I long to be able to communicate with the foreigners in fluent English!6. be able to 后边接动词不定式表示一种实际情况时,其否定形式不是be not able to,而是cannot。如:
Were
...
can/
be
able
to
的区别是什么?
答:
(3)否定结构中用will,一般不用would, won't you是一种委婉语气。11.
情态动词
的回答方式:问句,肯定回答,否定回答 12.带to 的情态动词:ought to, have to, used to,
be
to, 如加上have got to ,(=must), be
able
to
,为六个。它们的疑问,否定形式应予以注意:ought to 本身作为情态...
情态动词
有哪些?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
情态动词
有哪些?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
情态动词
有哪些?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
情态动词
有哪些?怎么用?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
could和
be
able
to
的区别是什么?
答:
(3)否定结构中用will,一般不用would, won't you是一种委婉语气。11.
情态动词
的回答方式:问句,肯定回答,否定回答 12.带to 的情态动词:ought to, have to, used to,
be
to, 如加上have got to ,(=must), be
able
to
,为六个。它们的疑问,否定形式应予以注意:ought to 本身作为情态...
can和
be
able
to
的区别有哪些?
答:
(3)否定结构中用will,一般不用would, won't you是一种委婉语气。11.
情态动词
的回答方式:问句,肯定回答,否定回答 12.带to 的情态动词:ought to, have to, used to,
be
to, 如加上have got to ,(=must), be
able
to
,为六个。它们的疑问,否定形式应予以注意:ought to 本身作为情态...
情态动词
有哪些?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
情态动词
有哪些?
答:
1)He must
be
playing basketball in the room.2)She may be staying at home.三、
情态动词
+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如:1)They should have been meeting
to
discuss the ...
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