Ex1 : xác định câu chủ động, bị động 
1 . Boy like to play soccer
2. This room has been painted blue
3. Cricket is played in Australia 
4. I was given a book
5. We have lost our keys 
6. You might see dolphins here 
7. The report must be completed by next Friday 
8. They were singing a song in the lesson yesterday 
9. A letter was written to her some days ago 
10. The black bike is being repaired at the moment 
EX2 : put the correct verb form in bracket 
1. Brian had his car ( repair )......... by a mechanic
2. John got David ( type ) ........ his paper 
3. We got our house ( paint)......  last month 
4. DR James is having the students (write )........a composition
5. Laura got her transcripts ( send) ....... to the university
6. Daniel is having his hair ( cut)...... tommorrow
7. Will Mrs. Ellen havr the porter (carry)...... he luggage to her car?
EX3: chuyển các câu sang thẻ bị động 
1. The waiter brings me this dish 
................................................
2 Our friends send these postcards to us 
..................
3. Their grandmother told them this story when they visited her last week 
..............................
4. Tim ordered this train ticket for his mother 
.................................
5. She showed her ticket to the airline agent 
.................................
6.Jim baked this cake yesterday 
...........................
7. They are going to buy a new apartment next year 
......................................
8. The shop assitant handed these boxes to the customer 
.............................
9. The board awarded the first prizi to the reporter 
........................
10. Have you sent the Christmas cards to your family?
......................................
11. The committee appointed Alice secretary for the meeting 
...................................
12. Tom will give Anna a ride to school tomorrow 
...................................................
13. They keep this room tidy all the time 
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