2016-2017学年 人教版 必修1 unit3 Travel journal Grammar 课件 (9)
2016-2017学年 人教版 必修1 unit3 Travel journal  Grammar 课件 (9)第3页

We speak English.

主语

谓语

宾语

English is spoken by us.

主语

谓语

宾语

They cleaned the classroom yesterday.

The classroom was cleaned by them yesterday.