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could be able to能连用吗
could
和
be
able
to
问题
答:
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 to a.位于助动词后。b.情态动词后。c.表示过去某时刻动作时。d.用于句首表示条件。e.表示...
can和
be
able
to
的区别
答:
I'm not
able
to
[can't] explain this. 我不能解释这个问题。He
was
able to [
could
] speak French very well. 他的法语讲得很不错。但是两者还是有区别的:(1) 从时态形式来看,can 只有现在式和过去式(could)两种,而
be
able to 则可根据需要使用多种时态,还可以和一些情态动词
连用
,...
be
able
to
和can的区别
答:
如:I
was
able
to
swim to the bank after the boat turned over.can 和
be
able to 都可以表示能力。can泛指一般的能力,而且只有两种形式,即can/
could
。be able to则主要指具体做到了某件事的能力,其形式主要是靠be发生变化,所以形式比can多。可以说:I can swim. I am able to swim....
can和
be
able
to
的区别
答:
I'm not
able
to
[can't] explain this. 我不能解释这个问题。He
was
able to [
could
] speak French very well. 他的法语讲得很不错。但是两者还是有区别的:(1) 从时态形式来看,can 只有现在式和过去式(could)两种,而
be
able to 则可根据需要使用多种时态,还可以和一些情态动词
连用
,...
be
able
to
的用法
答:
Luckily,he
was
able
to escape from the big fire in the end.幸运的是,他终于逃出了大火.If he got here a few hours earlier,I
could
save him.要是他早几小时来,我还能救他.(3)
be
able
to 可以
有各种时态;而can只有一般现在和一般过去两种时态.如:I could help you last night,but...
老师,can 和
be
able
to
有什么区别
答:
我能举起这块石头。She
could
/
was
able
to
play the piano when she was five.她5岁时就会弹钢琴了。但并非任何情况下都能通用。以下几方面值得留意: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 ...
关于英语词组的用法
be
able
to
和
could
有什么区别??
答:
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 to a. 位于助动词后.b. 情态动词后.c. 表示过去某时刻动作时.d. 用于句首表示条件.e. ...
can't能和
be
able
to
互换吗?
答:
I'm not
able
to
[can't] explain this. 我不能解释这个问题.He
was
able to [
could
] speak French very well. 他的法语讲得很不错.但是还是有区别的:(1) 从时态形式来看,can 只有现在式和过去式(could)两种,而
be
able to 则可根据需要使用多种时态,还可以和一些情态动词
连用
,或用作...
be
able
to
和can的区别
答:
She
could
/
was
able
to
play the piano when she was five. 她5岁时就会弹钢琴了。但并非任何情况下都能通用。以下几方面值得留意:⒈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...
can
be
able
to可
不可以用(或者说有没有这个词组)
答:
我能举起这块石头。She
could
/
was
able
to
play the piano when she was five.她5岁时就会弹钢琴了。但并非任何情况下都能通用。以下几方面值得留意: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...
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