be动词用法#英语学习

六种be动词用法。

·1.be+名词，表身份等。She is a teacher..她是一名教师。

·2.be+介词短语，表位置等。The keys are on the sofa.钥匙在沙发上。

·3.be+形容词，表特征状态。The flowers are beautiful.花很漂亮。

·4.be+doing，表正在进行。They are playing football.他们正在踢球。

·5.be+done，表示被动。The car was washed.汽车被洗了。

·6.be+to do，表计划、安排等。He is to join the party.他将参加派对。