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could I have
can't
have
done和couldn‘t have done 的区别
答:
1. 释义区别:- "can't
have
done"的字面意思是“不可能已经做过某事”,它表示主观上持有不可能或不太可能某种行为或事件已经发生的观点。- "couldn't have done"的字面意思是“不可能已经做过某事”,它强调过去发生的某事已经不可能发生。例句:-
I
can't have left my keys at home. I ...
can和
could
怎么使用?
答:
May
I
have
your name? 我能知道你的名字吗? Shall we begin now?我们现在就开始吗? You must obey the school rules.你必须遵守校规。 情态动词数量不多,但用途广泛,主要有下列: can (
could
), may (might), must, need, ought to, dare (dared), shall (should), will (would),have (to) ,
had
...
Can,
I
have
a look是什么意思
答:
也可以读作:Yes, let me see can 英 [kæn] 美 [kæn]aux.可以;能;能够;可能 vt.将…装入密封罐中保存 n.罐头;(用金属或塑料制作的)容器;(马口铁或其他金属制作的)食品罐头 第三人称单数: cans 复数: cans 现在分词: canning 过去式:
could
过去分词: could
have
...
would和
could
的区别
答:
(3)在虚拟语气中意义不同:
I
could
have
helped you.“我本来能够帮你,却没帮你。”I would have helped you.“我本来打算帮你,但没有帮你。”would 更能表现出人心里的意愿,常翻译为"愿意";而could更倾向于”有能力”.would在向别人提出问题时更委婉,Would you please open the door?用...
If
I
could
have
told you about cultural differences between...
答:
They can’t
have
gone out because the light’s on. 他们不可能出去了,因为灯还亮着。二、表示未曾实现的能力 即表示过去本来有能力可以做某事的,但实际上没有那样去做,通常译为“本来可以”“本来能够”等。如:The worst of it is that
I
could
have prevented the accident. 最糟糕的是...
could
和should的区别
答:
Can
I
have
a look at your new pen? 我可以看一看你的新钢笔吗? He asked whether he
could
take the book out of the reading—room. 他问他可不可以把书带出阅览室. 4)表惊异、怀疑、不相信等态度.主要用于否定句、疑问句或感叹句中. Where can (could) they have gone to? 他们会去哪儿了呢?
could
never
have
imagined 有什么语法吗?
答:
could
never
have
done 意思是“绝对不会做出那样的事”,和品德或承诺有关。属于虚拟语气的应用,未必是针对过去已经发生过的事。例:
I
could never have done it without your help.没有你们帮忙的话,我永远也不可能做到的.英语中的语气分为陈述语气、祈使语气、虚拟语气三类,虚拟语气用来表示假想...
could
have
done 什么意思 怎么用
答:
1、意思:
could
have
done:本来可以的。2、用法:could have done 表示过去本来有做某事的打算或意图,但实际上没有实现,通常译为“本来可以”。例句:
I
could have lent you the money. Why didn’t you ask me?我本来可以借这笔钱给你的。你为什么不向我提出?could have done 读音:英 [k...
"
I
could
have
told him all this, but it was fair
答:
it指代all this, for it to matter中for是和enough一起的,表示“足够...", it 指代all this, 指的是”我说的话“, to matter 应验,变成现实,to 和for 也是一种常见的搭配。
关于虚拟语气的问题
Had
i
been in good health ,
I
could
have
...
答:
把
had
提前是一种高级的说法,需要倒装,它等于if
i
had
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