Is this book is written by Bill Gates 到底是用is还是was 我知道是被动语态

Is this book is written by Bill Gates 到底是用is还是was 我知道是被动语态 The book ____ (write) by Bill Gates in 2002.是 is written 还是 This book is written by him in 1330.改为被动语态 __was this book w The book written by Bill Gates is very important for studyin 英语句子成份This book is written in French 这里written是形容词性 还是 动词被动形 the book ()the computer was written by bill gates This poem was written by Libai 还是This poem is written by Lib The book was __ by Bill.是填made还是written?为什么? 被动语态有宾语吗?被动语态中 by +主语 做什么句子成分 如 This book was written by Lux is it broken 这个为什么不是 was it broken?我知道这个是被动语态 was written还是 is written the book is written by.