1) This
knife is made of steel.
2) The knives are usually made of steel.
3) These books are sold everywhere.
4) This book was sold out long ago.
5) My watch was broken and I had to buy a new one.
6) This film is being shown (is running) at almost all the cinemas.
7) Why is he being laughed at? – Неisn't just being laughed at. He acts (=behaves)
like a fool, so he is regarded as a fool.
8) Whom was the letter written by and when was it sent?
9) This performance is being much talked about. Let's go to see it.
10) This article shouldn't be refered to. Many of the facts given in it have obviously
been outdated. It was written over 30 years ago, wasn't it!
11) I was asked to talk about my trip to India and Nepal.
12) The book will have been translated by the end of next month, but it is
unlikely to be published this year.
13) These music radio programs are listened to with pleasure by both children and
adults.
14) This house was built according to the design of architect Lidval.
15) His remark wasn't paid attention by anyone.
16) I think that your proposal will be objected to.
17) Terrorism must be ended once and for all.
18) His invention has widely been used in industry.
19) He has been searched (или was being searched - не уверена!!! ) for a long time and finally he was found in the garden.