不定式和ing分词的区别no one had told smith about there _________ a le
不定式和ing分词的区别 no one had told smith about there _________ a lecture the following day. a.to be b.was c.being d.would be the students expected there ____________ more reviewing classes before the final exams. a.to be b.being c.was d.will be 以上两个题为什么第一个选用ing形式,而第二个选择不定式形式?是因为将来时的区别,两者具体有什么区别?
第一句话,about后面需要一个介词宾语,动词短语不能做宾语,只有名词性短语才可以,所以将动词be变为be-ing形式使得there being a lecture充当介词about的宾语。 第二句话,你去掉there就看明白了。expect to do是常用搭配,there就是个副词,这里不是there be句型。...