作业帮解释英语句式“It be +...+ since +...”,“It be +...+ before +...”谁能解释
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/11/08 07:49:13
解释英语句式
“It be +...+ since +...”,“It be +...+ before +...”
谁能解释这两个句式有什么区别啊?（最好能举例分析.）
“It be +...+ since +...”,“It be +...+ before +...”
谁能解释这两个句式有什么区别啊?（最好能举例分析.）
It is +一段时间+ since从句
It is two years since I became a postgraduate student.
It is + 一段时间 since + 瞬间动词
表从...已经有多少时间了
如: It is ten days since I saw him. 从上次我看到他已经10天了
但要注意的是如果since后面是持续动词则表示动作结束的时间
如: It is two months since he smoked. 他不抽烟已经2个月了.
It was +一段时间 before sb. did
表示过去某人过了...做
如:It was two days before he came back. 他过了两天回来了
It is two years since I became a postgraduate student.
It is + 一段时间 since + 瞬间动词
表从...已经有多少时间了
如: It is ten days since I saw him. 从上次我看到他已经10天了
但要注意的是如果since后面是持续动词则表示动作结束的时间
如: It is two months since he smoked. 他不抽烟已经2个月了.
It was +一段时间 before sb. did
表示过去某人过了...做
如:It was two days before he came back. 他过了两天回来了
解释英语句式“It be +...+ since +...”,“It be +...+ before +...”谁能解释
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It be. before.如何翻译?
有没有it is been+段时间+since和it was be+段时间+before这种表达?
It is/has been…since… It was/will be…before… 这两个句
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It won't be long before we____again.