look after是动词还是介词
look after是动词还是介词
我想问一下look at是介词短语?look after是动词短语
是look after them,还是look them after?
怎样判断look forward to中的to是动词不定式还是介词?
sb look for sth.一句中"for"是介词还是仅仅起构成动词短语的作用.
against是介词还是动词
like是动词还是介词
through是动词还是介词?
介词+宾格+动词ing还是动词?如:After them doing sth 还是After them do sth
怎么区别after 是介词还是连词
怎样区别动词短语是动词+介词还是动词+副词
after raining还是after rain?介词后不是接动词的ing形式吗?