Change the following sentences from active to passive form. Keep the same tense with each change.1) Did you buy tickets for this performance yesterday? 2)The students attend lectures and tutorials with interest. ​

1) Were the tickets for this performance bought yesterday?

2) The lectures and tutorials are attended with interest by students.

1. Ali and Tom always help to us.

2. I spend my holiday visiting Dubai.

3. Stephan didn't buy a new car.

4. They gave Tammy lots of presents. или Tammy gave them lots of presents.

5. Where did Mona work last year?

6. Bill lost a toy and he was upset.

7. I finished university two years ago.

8. When did the girls go to London?

9. Layla didn't tidy her room.

10. Mary decided to clean the window.

11. Larry bought a book last week.

12. Did she go home?

13. I went for a walk last night.

14. Sam didn't come with his family

1 The first aid is given by the doctor.

2 The tablets are taken by the patient three times a day.

3 The medicine is prescribed by the therapeutist.

4 The hands must be washed carefully.

5 The suppositories are kept in a cool place.

6 The injection is given by the nurse.

7 The instruction must be read before use.

8 The ointment is put on by the boy.

9 The bottle must be shaken with the mixture.

10 The prescription is written out by the surgeon.

11 The drugs are bought at the chemist's.

12 Aintibiotics are widely used.

13 The patient is examined by the doctor.

14 This powder must be taken on an empty stomach.

15 This powder must be dissolved in a glass of water.

16 Some diseases are caused by germs and infections.