He talks as if he had done all the work himself.怎么翻译?

He talks as if he had done all the work himself.怎么翻译? 虚拟语气He talks as if he knew where she was .He talks as if he had known where she was .这两句有什么差别,一个是与现在相反,一个是与过去相反, can't stand him.He always talks as if he—— everything,A,knew .B knows,...can't stand him.He always talks as if he—— everything,A,knew .Bknows,C,has known .D,had known He talks as if he -----everything in the world.AknowBknewcCknowsDwas going to haveIF从句中时态与语态, as if引导的虚拟句是否遵循时态倒退原则呢?He talks about Rome as if he had been there before如何解释 英语翻译He talks with her as if he _her ,but he has never seen her before.A.knew b.knowsC.toknowD.known He always talks ___ he had been to outer space.A.like B.as if /though C.because of D.as为什么选B啊 as if 虚拟语气的问题,He talks about Rome as if he had been to there.为什么用talkes不用talked呢?He talks about Rome as if he had been to there.明白从句表示与过去事实相反,可是什么是talkes不用talked呢?He opened his mou 1.Peter has just arrived,but he talks as if he __a___ everything here.A.will know B.has known C.knew D.know he talks as if he ___ abroad before .A had really been B has really been C is really D was really He always talks big! He talks as if he were the head of the office.为什么此处是用were而不是was?在看1000句,英语太烂,到了这句不明白为什么是he were the head而不是he was the head. He told as if he knew everything.还是He told as if he had known everything. He talks as though he knew everything为什么要用knew 过去式啊 He talks as though he _______(know)all about it.答案是KNEW.为什么? He talks as though he ___（know）all about it.请问这个应该填什么? 选择,答案我知道,我需要知道WHYHe talks as if he ___ the film before.A.saw B.would have seen C.had seen D.has seen He has just arrive but he talks as if he knew all about it.为什么用knew?为什么不用know?是不是只有在主句的谓语动词是实意动词才用虚拟语气?谢谢了两位老师!