| 词组 | be |
| 释义 | 主要有以下用法。 1． 作助动词: He's been reading when she called. The glass door was broken. 2． 作动词，后面跟动词不定式: Visitors are to leave when the bell rings 3． 作连系动词: My wife is in bed. 4． 用来构成疑问句或否定句: Are you a teacher? He is not a doctor. 5． 常用在反意疑问句中: It's sour，isn't it? |
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英语用法大全包含3679条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。