解释英语句式“It be +...+ since +...”,“It be +...+ before +...”谁能解释
2个回答
“It be +...+ since +...”用于现在完成时
“It be +...+ before +...” 用于过去完成时
相关问题
能不能解释英语句It is necessary that be sent there at once.中BE的用法.
请解释一下这个句子的语法Scientists say it may be a few years before it i
有没有it is been+段时间+since和it was be+段时间+before这种表达?
It will be sometime before I finish it.
It will be 20 minutes before it starts.翻译
英语翻译It's two days since he smoked.和It's two days since he be
英语词性转换It _______(be) sixty years since China _______(found)
What has to be broken before it can be used?
英语翻译Before commissioning commences it shall be ascertained f
谁能帮我详细解释一下“be”在英语中的用法