It was not long ( ) he was born that his mother died.为什么填before,after为什么不...It was not long ( ) he was born that his mother died.为什么填before,after为什么不可以?after为什么不可以？
问题描述：
It was not long ( ) he was born that his mother died.为什么填before,after为什么不...
It was not long ( ) he was born that his mother died.
为什么填before,after为什么不可以?
after为什么不可以？
答
是固定用法：not long before:一......就.....
他出生不久，妈妈就死去了。
after是之后。
before是之前。
答
It was +一段时间+before " 多久就......"（此句型中不用after）
It is +一段时间+since "自从....以来有（一段时间）了"
It has been +一段时间+since
答
固定搭配
答
该句型为It was+......+that强调句型，not long before搭配
答
It was +一段时间+before " 多久就."（此句型中不用after）
It is +一段时间+since "自从.以来有（一段时间）了"