如果你站在现在的立场推测，would do就只能推测将来。推测过去就只能用would have done. 如果你站在...
2. "had known"构成if从句的过去完成时态,对应主句的would have done结构3. 过去完成时表示该认知动作应发生在过去时间点之前(但实际未发生)4. 选择第三类条件句的三个标志性特征: - 虚拟时间:全部指向过去 - 语法结构:if+had done, would have done - 现实情况:两个分句内容都与过去事实相反5. 该命题...
All these phrases talk about the past, but with slightly different shades of meaning: could have done:This is used for things thatwere possiblein the past, but didn't happen. It can express: (遗憾)Regret or missed opportunity:"I could have studied harder, but I went to the movies instea...
Used to has a similar meaning. She used to visit them every Sunday. In the afternoons, I used to read. However, used to can also be used to talk about states and situations that existed in the past but no longer exist. You cannot use 'would' like this. You can say, for example,...
coca would have done 搭配 have: 585 the: 213 to: 190 been: 138 i: 135 that: 111 it: 110 a: 110 and: 93 of: 85 in: 72 ": 66 he: 56 you: 53 #: 50 had: 45 they: 45 she: 37 for: 36 on: 36 as: 33 if: 33
(within the meaning of Part XV of the SFO) whichwould havetobe notified to the Company and the Stock Exchange pursuant to Divisions [...] equitynet.com.hk equitynet.com.hk 除上文所披露者外,於最後可行日期,本公司董事、監事及高級管理人員及彼等的 ...
would+have+done虚拟语气（会+已经虚拟语气）The subjunctive mood of would+have+done indicates the hypothesis of what happened in the past, which means that it would have been done".1., I, would, have, told, you, all, about, the, boy's, story, but, you, didn't, ask, me., I ...
Eight, "should+have+done" means "should have done something", and actually did not do." "Shouldn't+have+done" means that something should not have been done, but actually done. Containing the meaning of blaming the other or blaming oneself. Tom, you, are, too, lazy., The,, wo...
表示将来时间的虚拟，为什么可以用If had done...would have done这种形式呢Colonel MacAndrew at least ...
所以had变成have)来表示对过去事情的推测以及表示各种非事实(nonfactual meaning)意义。