形容词前面加be动词什么意思

题目

形容词前面加be动词什么意思
一定要加be动词吗/

答案

be [bi:] vi 现在时 I am, you are, he is, we are, you are, they are （缩略式 I'm, you're, he's, we're, you're, they're）, （否定缩略式 I'm not, isn't, aren't）, 过去时 I was, you were, he was, we were,...