距离2019年12月大学英语四级考试还有不到40天时间,考生们准备得怎么样啦?文都四六级小编为大家精心准备了2019年12月英语四级语法:since的四种用法,来了解一下吧,更多四级语法六级语法请关注文都四六级网站。

2019年12月英语四级常用语法汇总

英语四级语法: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.

以上就是这次分享的2019年12月英语四级语法since的四种用法,不知道大家都掌握了吗?更多四级语法六级语法请持续关注文都四六级网站。

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