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Since Then的用法
since
then
后接什么时态
答:
现在完成时
since
then
从那时起 They have been good friends since then.从那时起他们就一直是好朋友。
since
then
和since when有什么语法区别?
答:
since
then
是从那时起,有确定时间限制,since when 是从何时起,无时间限制
from
then
on和
since
then区别
答:
since
then
只可用于现在完成时中,不可用于过去完成时、过去将来完成时等时态。 from then on可用于过去时也可用于现在完成时或将来时中,要看语境决定。 since then:以后;从此一直。 since then:以后;从此一直。 扩展资料 From then on, mother and daughter have depended on each other...
since
then
后面加什么时态?急啊
答:
since
then
表示从那时起,从此以后,所以前面的主语应该是现在完成时或者过去式,后面的从句+一般完成时态 Scientists ___built___ (build) a station at the South Pole several yearsago.
Since
then they ___have got___ (get) muchinformation about the South Pole.希望对你有帮助哦~...
请问since
then
与ever
since的
使用区别
答:
ever
since
后面一般不接一个时间状语从句。比如 I have been a member of Party ever since.(我此后就一直是党员。至于此指代的是什么时候,前面一定有交代。)since
then
(常接现在完成时)从那以后 He has disappeared for ever since then.从那以后,他就永远地失踪了。Ever since then the ...
from
then
on 和
since
then 有什么区别
答:
from
then
on 和
since
then表达的含义不同;侧重点不同;所在的句子时态不同。一,意思不同 from then on :从那时起;从那时开始;从那以后。since then:从那时以来。二,
用法
不同,所在的句子时态不同 1. from then on ,强调过去某个时间或者事件之后。所在的句子通常用过去式。例句:From ...
then与
since
then的
区别?
答:
then
意思是:在那时 用于过去时。
since
then 意思是:从那以后直到现在 用于现在完成时 直接引语变成间接引语使用的时态一般都是和过去相关的,例如:过去时,过去进行时,过去完成时,过去将来时等等 现在完成时就不对了,所以 then不能改成since then, 而且两者意思也不一样。
ever
since
与since
then
有什么区别,要详细的解释!
答:
例:I have known him ever
since
he was a child.他从小我就认识他了.这种
用法
同since 差不多,不过 ever since 比 since 用得少.再如:We have lived in Shanghai ever since we came to China.(自从我们来到中国之后就住在上海.)
then
本身是个过去的时间点,since then表示从那个时间点到现在...
after then和
since
then的
区别
答:
二者都是“从那以后”的意思,都可作连词,一般放在句中
since
then
后接完成时,从那以后直到现在 after then后接过去时 如:I have known her since then.I kept in touch with her after that.
since
then
和from then on
用法
区别
答:
since
then
只能用现在完成时,“自从那时到现在为止”from then on 可以用于现在完成时,过去式或者将来时,要看具体的语境 例如:He borrowed a book from the library three weeks ago. He has kept it from then on.The final exams will ends on June 30. We'll begin our summer holiday ...
<涓婁竴椤
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涓嬩竴椤
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