1-David sold me a ticket for the concert. (I)

I was sold a ticket for the concert.

2-They will send him this exam results. (he)

He will be sent his exam results.

3-Someone showed me where the art school is. (I)

I was showed where the art school is.

4-She hasn’t told us her secret. (Her secret)

Her secret hasn't been told.

5-Someone recommended them a new restaurant. (A new restaurant)

A new restaurant was recommended to them.

6-They will allow her to go out tonight. (she)

She was allowed to go out tonight.

7-Will the teacher ask you any questions? (will you)

Will you be asked any questions?

8-My parents have promised me a new skirt for my birthday. (I)

I was promised a new skirt for my birthday.

9-They won’t teach you how to operate. (you)

You won't be taught how to operate.

10-They are going to pay her a higher salary. (she)

She will get payed a higher salary.

11-Someone could tell them the truth. (they)

They could have someone tell them the truth.

12-She told me that she didn’t know the answer. (I)

I was told that she didn't know the answer.

13-Someone advise him to take an English course. (he)

He was advised to take an English course.

14-Someone is teaching her how to behave in class. (she)

She is being taught how to behave in class.

15-Science fiction sometimes gives us a true picture of the future. (We)

We are sometimes given a true picture of the future by Science fiction.

16-They stole me a purse. (I)

I was robbed of my purse.

17-They give the oldest director the leader part in the play. (The oldest director)

The oldest director was given the leader part in the play.

18-They denied him access to the secret documents. (He)

He was denied access to the secret documents.

19-They gave him a play station portable. (He)

He was given a play station portable.