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be able to后面加什么
be
able
to
等于be
什么
of
答:
(can只有原形can和过去式could,其他时态要
用be
able
to
)eg. We'll be able to see him next week. (一般将来时)He has been able to swim. (现在完成时)--- 当be able to表示“(过去)成功做”时,be able to=manage(d) to do=succeed(ed) in doing=be successful in doing ...
be
able
to
的区别
答:
be
able
to
和can的区别:1、当它们表示能力的时候,是一样的。2、 can只有两种时态,即can 和could, 而be able to 有多种时态,如was/
were
able to, will/shall be able to, have/has been able to等。3、表示过去通过努力终于做成了某事要
用be
able to,而不能用can。4、can能表猜测...
老师,can 和
be
able
to
有
什么
区别
答:
I couldn’t/wasn’t
able
to
pass the exam.我没能考及格。He couldn't/wasn't able to live to see his country reunited.他没能活着亲眼见到祖国的重新统一。4. 居于上述道理,表示主语过去具备某种特定的“能力”时,不能用could,而要
用be
able to。例如:How much money
were
you ...
can与
be
able
to
的区别是
什么
?
答:
be
able
to
和can的区别:1、当它们表示能力的时候,是一样的。2、 can只有两种时态,即can 和could, 而be able to 有多种时态,如was/
were
able to, will/shall be able to, have/has been able to等。3、表示过去通过努力终于做成了某事要
用be
able to,而不能用can。4、can能表猜测...
可用各种时态是
be
able
to
还是can?
答:
可用各种时态是
be
able
to
两者区别有1)can could 表示能力;可能 (过去时用could),只用于现在式和过去式(could)。be able to可以用于各种时态。They will be able to tell you the news soon. 他很快就能告诉你消息了。2)只用be able toa. 位于助动词后。b. 情态动词后。c. 表示过去某时刻...
be
able
to
和can的区别
答:
都表示能,能够,但是因为主句是过去时,从句也应该
用
过去时,can 和
be
able
to
都有过去时的形式,即could 和
was
able to ,所以只能选择D。b更强调因为能力而成功完成。另外,can 和be able to有区别主要是:1.can只有“现在式和过去式”;I can swim.He could run after the bus ancatch ...
can/
be
able
to
的区别是
什么
?
答:
1.比较can 和
be
able
to
(1)cancould 表示能力;可能 (过去时用could),只用于现在式和过去式(could)。be able to可以用于各种时态。例如:They will be able to tell you the news soon. 他很快就能告诉你消息了。(2)只用be able to。a. 位于助动词后。b. 情态动词后。c. 表示过去某...
be
able
to
和can的区别
答:
如 1 . He can swim .= He is
able
to
swim .他会游泳。2. She could write when she
was
three years old .= She was able to write when she was three years old.当她3岁时她会写字。3 . He will
be
able to finish the work in two minutes.两分钟后他能完成这项工作...
could和
be
able
to
的区别是
什么
?
答:
1.比较can 和
be
able
to
(1)cancould 表示能力;可能 (过去时用could),只用于现在式和过去式(could)。be able to可以用于各种时态。例如:They will be able to tell you the news soon. 他很快就能告诉你消息了。(2)只用be able to。a. 位于助动词后。b. 情态动词后。c. 表示过去某...
be
able
to
和can的区别
答:
1. 语法上,严格地说,can属于情态助动词(modal auxiliary verb),它只有现在和过去两种时态形式,而be
able
to
属于半助动词(semi- auxiliary verb),它却有较多的时态形式,而且还可与其它情态助动词连用。表达将来的“能力”时,一般
用be
able to;表达完成概念时,则只能用be able to。例如:...
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