作业帮几道状语从句的题目Q1:I will put the book {where} you placed it and make a mark at the place {at which} I put it.这两空的区别在哪?为什么which前要用介词?Q2:When he reads books ,his habit is to make a mark {wherever} the meaning
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几道状语从句的题目Q1:I will put the book {where} you placed it and make a mark at the place {at which} I put it.这两空的区别在哪?为什么which前要用介词?Q2:When he reads books ,his habit is to make a mark {wherever} the meaning
几道状语从句的题目
Q1:I will put the book {where} you placed it and make a mark at the place {at which} I put it.这两空的区别在哪?为什么which前要用介词?
Q2:When he reads books ,his habit is to make a mark {wherever} the meaning is unclear to him.为什么不能用 in which
Q3:by the time ; at the time ; at a time ; at one time
几道状语从句的题目Q1:I will put the book {where} you placed it and make a mark at the place {at which} I put it.这两空的区别在哪?为什么which前要用介词?Q2:When he reads books ,his habit is to make a mark {wherever} the meaning
前一空没有先行词,一定要用where；后一空也可以用where,但是当where和介词+疑问代词都可以时,首选后者,这就是他们的区别.
是状语从句咯,所以要用介词,不然就不是状语从句,具体我也说不清楚,这种题目还可以靠点感觉,是第一感觉.
这一句和上面的第一空是一个类型啊,没有先行词,没有说是哪个位置,如果是in which的话,那么which指代什么呢,在which之前并没有这样一个名词,也就是没有先行词.
截止到某个时间之前,一般用完成时态；
在某个时间点或段（这个不确定）；
每一次,表示频度；
曾经,一般用过去式；