HAV BEEN DOING STH为什么要加BEEN?
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HAV BEEN DOING STH为什么要加BEEN?
因为他是现在完成进行时的表达.
进行时的框架是 be + doing
而这里因为是现在完成时所以be就是用的过去分词变成了been.
希望楼主弄明白、
have been doing sth 现在完成进行时的表达形式
这是现在完成进行时的固定用法。其中been是be动词的过去分词
HAV BEEN DOING STH为什么要加BEEN?
have been doing sth
what hav u been doing的been是干吗的?总觉得没必要.
have been doing sth是什么时态?
Have/has been 后一定要加doing sth.吗?
have(has) been doing sth 造句写翻译
为什么是 look foward to doing sth?
solution to doing sth为什么是加doing?
get to doing sth什麽意思?
have been doing sth和现在完成时有区别吗?我上课记得老师说现在完成时后面加什么就等于have been doing sth这个延续的句型.
麻烦帮我造个句子用这些词语造句1.spend sth on(sth doing sth)花(费,时间)等2.observe 看到,注意到,观察,监视3.must have been 表达对过去的事情进行推测4.devote (oneself/sth)to(sth/sb) 为(某人或某事)付出(时
翻译 prefer doing sth to doing sth
perfer doing sth to doing sth
have been doing sth=have 直接加动词过去分词吗?
have been (ing) doing sth.意思?有(ing)吗?
英语中have been doing sth和have done 的区别?同上
“sb's been doing sth ”怎么理解 这个“'s”是is 还是was
has been doing sth+介词后接时间的介词是in/for/since?