If had done,sb would do sth和If had done,sb would have done有什麼区别?

if sb had done ,sb would have done造句 If had done,sb would do sth和If had done,sb would have done有什麼区别? if sb had done sth/ sb have done造句 求虚拟语气的讲解 had sb done sth,sb would have not donehad sb done sth,sb would have not done这个句型是什么意思 怎么用 虚拟语气倒装疑问句应该怎样书写呢?had sb done sth,would sb have done sth.这种句式可以算作带有虚拟语气倒装的疑问句嘛（对过去虚拟?）我的意思是正常的虚拟语气句子不是if sb had done sth,sb would h if 虚拟条件句的问题, 从句had done ,主句不是应该would have done么? 关于这句英语的思考.老师说的万能句型：If sb had done sth,sb would had done sth.这里的had为什么不用have呢?即使是过去做的事,但是讨论的是对现在的影响.所以用该用HAVE啊. 虚拟语气 if You could have done other career What would it have been 为什么不是 if ..Had done 句 怎样区分情态动词、助动词i won't argue with you.在句中won't是情态动词还是助动词,在这类的句中该如何区分呢?还有个问题,在虚拟语气中if sb had done sth,sb would have done sth这类句中“would”是情态 1.do sth.,so you will do sth.2.If sb.had done,sb.would have done3.sp.lie/on/to/be located/situated…4.with+宾语+doing/done/to do,主句结构5.sb.be used to doing/sth.be used to do/used to do6.As can be seen,… As we all know,… As is know to us Asked if she would have done the same had children been involved怎么翻译? What would you have done last night if you hadn't had to study 是什么时态 Had I realized the consequences,I would never have done that.为什么是had而不是if,为什么要倒装? 请教关于虚拟语气句子是这样的 If we had a map,we wouldn't be lost.只知道 1 If S had done,S would be doing.2 If S had done,S would do.这两种情况,而句子变成 If S had,S would be done如果按照上面的两种情况,be lost是 have had done与had have done区别——，I'd have told you.A.If I would have known B.If I had have known C.Had I known D.Should I know 英语翻译he took no account into my feelings,what this would have done to me if it had actually worked. 英语翻译a subject acted freely if she could have done otherwise in the right sense.the subject could have done otherwise in this sense provided she would have done otherwise if she had chosen differently. 英语翻译would have been declared a national treasure if he had not chosen to take up Canadian citizenship last year 我想问一下would have done...had done?的语法是什么意思&这句准确的翻译?