1-Statement
1-Present simple. (am,is,are+p.p.)
-Ali eats eggs.
Eggs are eaten (by me)
2-Past simple. (was,were+p.p.)
-I wrote a letter.
A letter was written (by me).
3-Present continuous. (am,is,are+being+p.p.)
-Ali is eating oranges.
Oranges are being eaten (by him).
4-Past continuous. (was,were+being+p.p.)
-I was plaing football.
Football was being played (by me)
5-Present perfect. (have, has+been+p.p.)
-I have bought a new car.
A new car has been bought (be me)
6-Past perfect. (had+been+p.p.)
-He had written a letter.
A letter had been written (by him).
7-Defective verbs.(will,can,may.might…..+be+p.p.)
-I will buy a new house.
A new house will be bought (by me)
8-Future perfect.(shall,will+have+been+p.p.)
-He will have bought a car.
A car will have been bought (by him)
9-Verbs with two objects.
-Ali gave me a pen.
I was given a pen (by him) Or
A pen was given to me (by him)
10-Prepositions (come after p.p.)
-She looked after the children.
The children were looked after (by her).
11-Adverbs (come before p.p.)
-He answered the question well.
The question was well answered (by him).
12-Somebody/Nobody.
-Somebody helped me.
I was helped.
-Nobody visited me.
I wasn't visited.
13-See,make,hear,notice,observe.
-He made us play in the street.
We were made to play in the street.
14-say,understand,believe,consider,think,regret,
know,claim,report,feel,estimate..
-People say that he is a good teacher.
It is said that he is a good teacher. (Or)
He is said to be a good teacher.
-People said that he stole the money.
It was said that he stole the money.
He was said to have stolen the money.
15-Gerund. (being+p.p.)
-I don't like people staring at me like that.
I don't like being stared at like that.
16-Infinitive. (to be+p.p.)
(like,love,want,wish..+object+inf)
-I wasn’t someone to write this letter.
I want this letter to be written.
17-Let.
-He let us play.
We were let play. (=We were allowed to play)
-He let people cheat him.
He let himself be cheated.
2-Order
Let + object+be +p.p.
-Open the door.
Let the door be opened.
-Study this lesson.
Let this lesson be studied.
3-Question
1-Did Ali eat oranges?
Ali ate oranges.
Oranges were eaten.
Were oranges eaten?

*Has Ali broken the window?
Has the window been broken?
2-Where do they play football?
Where is football played?
*How could they overcome the problem?
How could the problem be overcome?
3-(Who By whom) / Whom Who)
-Who killed the cat?
By whom was the cat killed?
*Whom did the teacher punish?
Who was punished (by the teacher/him)?
1-Change into passive
1-He answered the question well.
2-They have to postpone the meeting.
3-I'll do the homework.
4-Smoke filled the room.
5-People say that eggs are better for us than figs.
6-Nobody visited me.
7-I saw them play football.
8-I remember Ali taking me to the zoo.
9-He will ask you some questions at the interview.
10-He didn't offer me the job.
11-He is to leave this picture here.
12-If you stand there, soldiers are likely to shoot at you.
13-You have to see it to believe it.
14-She is going to write her homework.
15-He bought the children an ice-cream each.
16-I made him sing.
17-They could have prevented that disaster.
18-They were looking at the blackboard.
19-They gave the thief fair trial and sent him to prison.
20-He shouldn't have bought that car.
****
21-Take him away.
22-Clean the blackboard.
23-Don't forget it.
24-Polish my shoes.
25-Copy this letter.
26-Were they eating apples?
27-Did they follow your advise?
28-Is Ali posting the letters?
29-Who has paid the bill?
30-Whom did they give the present?
31-Where did he find the camera?
32-When did you lose your book?
33-Who wrote this essay?
34-What caused the fire?
35-Did anybody help you?
36-Where did you play football?
37-Will you eat meat tomorrow?
38-Why are you looking at the car?
39-Will they eliminate pollution?
40-Did the dog kill the car?