作业帮SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和 It's three years since he worked there.
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SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和 It's three years since he worked there.
SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和
It's three years since he worked there.第二句对吗?since不是只用于完成时吗?
SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和 It's three years since he worked there.
都不对
It has been three years since he worked there
since可不可以用在现在完成时中,还是只能用在现在完成进行时中?
现在完成时 现在完成进行时 一般过去式 For 和Since 含在现在完成进行时里,没种5句 急用
SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和 It's three years since he worked there.
关于延续性动词.就是延续性动词可以用在不加for since的现在完成时吗?老是在选择题看见,.呵呵我是说for+一段时间或者since+一段时间- 延续性动词可以用于不+since 或者for的现在完成时态的句
什么时候用现在完成时我知道对现在有影响时用现在完成时,但 有影响 太宽泛了,具体怎么判断?或者说在写一个句子时怎么马上判断是用现在完成时还是过去式?总不能每句话都想一下是否有
（英语）ever sinceever since主句用现在完成时,可是以下这个句子怎么用现在完成进行时?He has been living here ever since.
since 后面用现在完成时?
用since和for各造5句现在完成时的句子.
什么时候since前接现在完成时,什么时候接现在完成进行时
当完成时态后有for或since时,是用现在完成时,还是用现在完成进行时? 比如例题：His grandmother has ___for ten years.答案为been dead ,为什么不用现在完成时呢?
The Greens have lived here since 2000为什么要用现在完成时而不用现在完成进行时顺便说一下现在完成时和现在完成进行时分别用于什么情况下以及他们的区别since不是即可用于现在完成时又可用于
用since造句句子(现在完成时)主句+since(自从...到现在)从句
since 从句后面用现在完成时?
The Greens have lived here since 2000为什么要用现在完成时而不用顺便说一下现在完成时和现在完成进行时分别用于什么情况下以及他们的区别
since 时间的时态,什么时候用现在完成时,什么时候用现在完成进行时she_______in the elementary school since she graduated from college in 1990.a/ taught b/ has been teaching c/ was teaching d/ has taught
用since和for各造十个句子.（完成时）一定要现在完成时!since和for各十句,共二十句!认真点,
状语从句的时态中,用since的是否都是完成时,现在完成时与过去完成时区别
how long is it since you last saw her?since 不是用在现在完成时吗