【同步导学】2018-2019学年译林版高中英语必修5课件(江苏专用):Unit2 -Grammar and usage
【同步导学】2018-2019学年译林版高中英语必修5课件(江苏专用):Unit2 -Grammar and usage第5页

1. He hurried home, looking behind as he went. 2. Having finished their work, they had a rest. 3. The large building being built is a library. 4. Having been shown the lab, we were taken to see the library.

(一般式)

(完成式)

(被动语态)

(被动完成式)

时态和语态: