关于was后面的动词问题.我记得老师说was后面加动词原形,如：Iwasplay.但今天看见句子Whatwasheworriedabout?到底was后面加什么?

Question

关于was后面的动词问题.
我记得老师说was后面加动词原形,如：I was play.但今天看见句子What was he worried about?到底was后面加什么?

Answer 1

was 作为行为动词 有“是、有”等意思.
例如 I liked playing basketball when I was five.
翻译：当我五岁的时候我喜欢打篮球.
was 作为助动词 ,后面可以加动词-ing（构成过去进行时）、动词的过去分词（构成被动语态）.
例如：I was watching TV when the telephong rang.
翻译: 电话铃响的时候我正在看电视.
例2: The building was built two years ago.
翻译：这栋建筑是在两年前被建造的.
但绝对不能加动词原形.