要把this book discuss ontelivision这几个没有组句的词改为被动语态要分8个时态.
1.一般现在时
This book is discussed on telivision.
2.现在进行时
This book is being discussed on telivision.
3.一般将来时
The book will be discussedon telivision.
4.现在完成时
The book has been discussedon telivision.
5.一般过去时
The book was discussed on telivision(yesterday).
6.过去进行时
The book was being discussed on television(this time yesterday).
7.过去将来时
The book would be discussed on television.
8.过去完成时
The book had been discussed on television.