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had done would have done
wouldn't
have
done
表推测吗
答:
不是,是 虚拟语气 表示对过去的推测 情态动词中只有
would
没有 如 If he
had
got up late yesterday,he wouldn't
have
caught the ealy bus.这句就是虚拟 对过去的推测有must,may,can但不会用would ,给你比较一下 can have
done
对过去的推测 could have done 虚拟语气(常用否定)may have ...
虚拟语气 强调句 讲解一下
答:
过去
Had
done
Would
*
have
done 现在Were/did Would* do 将来Should do/were/were to do Would* do 例句:If there hadn’t been much rain in spring, we
would
have
had
a good harvest now. [过去] If he smoked less, his cough might be well soon. [现在] If the lecturer should be late, ...
have
done
有哪三种用法?
答:
movie before.(我以前看过那部电影。)-
Have
you heard about the new restaurant in town?(你听说过城里新开的餐厅吗?)需要注意的是,"
have
done
" 是现在完成时态的一种表达方式,而不是过去完成时态。因此,它不能与过去完成时态的标志词 "
had
" (例如,"I had done it")混淆。
虚拟语气,
have
后一定是been?不能是were吗?
答:
三种情况,(1)对过去,从句
had
done
主句
would
/could/might/
have
done(2)对现在,从句:did /were主句:would/could/might do(3)对将来,should do/were to do/did.从句,更上一个一样。注意,“主将从现”原则。
虚拟语气的结构
答:
虚拟语气的表达形式是通过动词的变化形式表达的,其特点是主从句时态的不一致,而起一般有明显的标志。难点释疑 一、If型 If条件状语从句表示的虚拟语气,其句型结构如下:从句 主句 与过去事实相反
had
done
would
/could/might
have
done 与现在事实相反 did/were would/could/might do 与将来事实相反 ...
初中被动语态讲解
答:
7.过去完成时
had
been+P.P 语法结构 1.if结构(非真实条件句——表示的是假设的或实际可能性不大的情况) 与..事实相反 If从句 主句 过去
Had
done
Would
*
have
done 现在Were/did Would* do 将来Should do/were/were to do Would* do "一干二听三让四看半帮助”要加to 例句:If there hadn’t been...
would
have
starved 请问是什么语法时态,为什么这么用?
答:
villagers
had
not found them lying at the bottom of the valley.这个句子的主语和状语从句全部用的是虚拟语气。意思是: 要不是村民们发现他们躺在峡谷底, 这些登山者就会被饿死。
would
have
starved:过去将来完成时, 表示就会饿死,(但是没有)。had not found 过去完成时, 也是虚拟语气。
虚拟语气中的
would
have
done
与could have done结构 有什么 区别?什么...
答:
结构上并没有区别,选择
would
或 could 要根据语境。例如:If he
had
waited one more minute, I would (could)
have
gone with him.他只要再多等一分钟,我就会(能)和他一道走啦...两者皆可,但语意有点儿出入。If he weren't so upset, I would have brought him along.要不是他这么...
哪位能否解释下could
have
done
与
would
have done的用法区别?
答:
根据词语表面意思理解 could来自于can表示能够 could
have
done
就是说“本能够做到什么”(隐含当时没能达到这个能力)
would
来自于will表示推测 would have done 是说“本将会怎么做”(隐含当时没有这个意愿)前者侧重说能力,后者侧重说意愿。本来有能力做到的不一定是意愿做的,本来意愿做到的一定是...
would
have
been是什么时态?
答:
would
have
been通常用在虚拟语态中,表示将会做与过去事实相反的动作。would have been属于would have
done
的句式,属于过去将来完成时。其中been是be的过去分词。例句:My daughter would have been 17 this week if she
had
lived.我女儿要是还活着的话,这周就17岁了。过去将来完成时的用法 1、...
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