before until after as soon as 的主句和从句要用什么时态?

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• because 引导的原因状语从句是否要考虑与主句的先后关系而确定时态?（认真阅读说明）我们学校里老师说原因状语从句是无需考虑与主句的关系的（是什么时候发生就用什么时态）,但后来学了现在完成时中,包括百度百科里的介绍,很多题目等,都阐明了：原因状语从句中即便是过去发生的,却要用过去完成时比如：She came to the classroom because she had left book here.又如：The farmers were happy because they had got a big harvest（注明：这两句都是我在网上和语法书上看到的,绝对真实）但是,在做题时,又遇到了很多虽然从句中虽然从句中的动词发生在主语动词之前,却要用一般过去式的状况：如：SHE WOKE UP IN THE MID NIGHT BECAUSE SHE HAD A BAD DREAM(这里没用“had had”）HE DIDN'T COME TO SCHOOL BECAUSE HE HAD A
• 关于 时间状语从句.句型装换.1.I knew it after he told me.I _____ ______ it ______after he told me.用after.主句与从句的时态是怎么样的.2.We don't enter the classroom until the bell rings.We ______ the classroom ______ the bell rings.Wanghai didn't stop working until he fell ill.Wanghai ______ ______ _______ he fell ill.还是时态搞不清.时态总不知道用什么.
• this factory is quite different from______before为什么要用what it was,而不是that it was 或者which it was 呢2）we were all surprised when he made it clear that he would leave office soon.其中的when he made it clear怎么解释,在句中的成分是什么3）followed by some officials,Napoleon inspected his army这句前半句是什么状语,哪是主句哪是从句,前半句是不是句省略句啊4）as is expected ,all the students in our class have passed the exam前半句是什么状语从句啊,是不是省略句啊,省略了什么.As在这里为什么不能作原因的解释,能作为原因状语来解释吗5）he's somewhere in his fifties 什么
• I won't leave here until my mother comes back.这是一个状语从句吧,主句和从句的时态有什么要求吗?
• as soon as,while,when,after,untill,not.untill主句和从句的时态
• before until after as soon as 的主句和从句要用什么时态?
• I won't leave here until my mother comes back.这是一个状语从句吧,主句和从句的时态有什么要求吗?
• as soon as 引导的句式什么时候主句和从句时态一致,什么时候主句和从句时态又不同呢?
• after,until,as soon as,while主句从句用什么时态
• 特殊疑问句改间接引语用陈述语序特殊疑问句改成陈述句（间接引语） Whose is this apple?Whose apple is this?Which is the way to the museum?What is his name?What's the matter?分别改为用He asks ...间接引语直接引语变间接引语,要注意人称、时态和句式的变化.要注意主句的时态；从句要用陈述语序.He asks whose this apple is.He asks whose apple this is.He asks which is the way to the museum.He asks what his name is.He asks what is the matter.为什么答案中的IS的位置不同?不是要陈述语序吗?就像最后那句,He asks what the matter is,这样不行吗?
• not until的时态!not until应该怎么样辨别他的时态?主句用什么?从句用什么?
• as soon as,while,when,after,untill,not.untill主句和从句的时态分情况叙述,即当主句时一般现在时,过去式,正在进行时,将来时,以及过去进行时这五种情况从句的时态,还有顺便问一下when,while,after,untill,not untill句式时主句与从句的区分方法,简练一点,一两句话概括一下.