作业帮since 时间 ago 1.since +时间 +ago 2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/06 09:29:54
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since 时间 ago 1.since +时间 +ago 2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
since 时间 ago
1.since +时间 +ago
2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
since 时间 ago 1.since +时间 +ago 2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
since的四种用法
1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980,last month,half past six).
I have been here since 1989.
2) since +一段时间+ ago
I have been here since five months ago.
3) since +从句
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
4) It is +一段时间+ since从句
It is two years since I became a postgraduate student.
有的
比如说since five years ago 自从五年前
since 时间 ago 1.since +时间 +ago 2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
for和since的用法since时间后要加ago吗?还是for后加ago?
since long ago
since three years ago 句子要用在 现在完成里吗?We __B__ english since three years ago.A.learned B.have learned Tom has been in Paris since 2 years agoI have been here since five months ago.问：1.since+时间+ago 在句子里怎么翻译,
since加ago还是表示点时间吗
Since 接段时间要用ago吗
since,for,ago与时间搭配的意义曲别
since
since +时间点 造句
since +时间点 造句
since+时间段+ago中since是什么词性?介词还是连词?
since ten years since ten years ago区别
I have arrived here since 3 years ago.arrive是瞬间动词,since 3 years ago是表示瞬时还是延续的时间?
现在完成时中,for加一段时间是不是等于since加时间点加ago?
since 3 years ago是时间点还是时间段为什么呢,麻烦讲清楚
since years ago用于什么时态
SINCE TWO YEARS AGO的同义句
since…ago表示什么时态