作业帮关于一个动词短语的用法请问what we should do is to talk about.what we should do is talking about...这两句中talk about是动词短语,但是用在is后面时,应该这么用呢?类似的一句还有：this subject is mainly to talk abo
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关于一个动词短语的用法请问what we should do is to talk about.what we should do is talking about...这两句中talk about是动词短语,但是用在is后面时,应该这么用呢?类似的一句还有：this subject is mainly to talk abo
关于一个动词短语的用法
请问what we should do is to talk about.
what we should do is talking about...这两句中talk about是动词短语,但是用在is后面时,应该这么用呢?
类似的一句还有：this subject is mainly to talk about....请问这种表述是对的吗？还是this subject mainly talk about...或者是this subject is mainly talk about?：）
关于一个动词短语的用法请问what we should do is to talk about.what we should do is talking about...这两句中talk about是动词短语,但是用在is后面时,应该这么用呢?类似的一句还有：this subject is mainly to talk abo
what we should do is to talk about.what ...is to do sth.这句型肯定是对的,后一句我没看到过,也不好说
this subject mainly talks about...肯定对
sb is to do sth.／sth.is to be done我都看到过
this subject is mainly to talk about...sth is to do sth应该有这种表达,如果没记错的话,这里是旨在做（相当于aim to),但我没有很大的把握
呵呵this subject is mainly talk about..这definitely是错的
在这里doing sth=to do sth