Put the verbs in brackets into the correct passive form. 1) The murderer... to life imprisonment (sentence). 2) When she heard that her dog... (kill), she burst into
tears. 3) This church is three hundred years. How long... (it / build)? - It... (build) for thirty-five years. 4)
The hotel rooms.. (clean) tomorrow. 5) A cure for cancer ... (might/ discover) by scientists. 6) Jack's
bicycle... (steal) by someone recently. 7) This plant... (should / water) daily. 8) Mona Lisa ... (paint) by
Leonardo da Vinci. 9) A lot of money.. (spend) on weapons nowadays. 10) These advertisements..
(publish) by the beginning of next week. 11) The office... (clean) by the time the chief arrived. 12) The
patient... (examine) by the doctor now. 13) Children .. (always / give) presents at Christmas. 14) The
computer ... (must/ switch off) for the night. 15) Odesa... (visit) by a lot of tourists every year.​

1) The murderer was sentenced to life imprisonment. The verb "sentence" is in the past tense, so we use the past tense of the passive form of the verb "be" (was) followed by the past participle of the main verb (sentenced).

2) When she heard that her dog was killed, she burst into tears. The verb "kill" is in the past tense, so we use the past tense of the passive form of the verb "be" (was) followed by the past participle of the main verb (killed).

3) This church is three hundred years old. How long has it been built? - It has been built for thirty-five years. The verb "built" is in the past participle form because it is a passive construction. In this case, we use the present perfect tense of the passive form of the verb "be" (has been) followed by the past participle of the main verb (built).

4) The hotel rooms will be cleaned tomorrow. The verb "clean" is in the future tense, so we use the future tense of the passive form of the verb "be" (will be) followed by the past participle of the main verb (cleaned).

5) A cure for cancer might be discovered by scientists. The verb "discover" is in the present tense, so we use the present tense of the passive form of the verb "be" (be) followed by the past participle of the main verb (discovered). In this case, we use "might" to indicate possibility.

6) Jack's bicycle was stolen by someone recently. The verb "steal" is in the past tense, so we use the past tense of the passive form of the verb "be" (was) followed by the past participle of the main verb (stolen).

7) This plant should be watered daily. The verb "water" is in the present tense, so we use the present tense of the passive form of the verb "be" (should be) followed by the past participle of the main verb (watered). In this case, "should" indicates obligation or recommendation.

8) Mona Lisa was painted by Leonardo da Vinci. The verb "paint" is in the past tense, so we use the past tense of the passive form of the verb "be" (was) followed by the past participle of the main verb (painted).

9) A lot of money is spent on weapons nowadays. The verb "spend" is in the present tense, so we use the present tense of the passive form of the verb "be" (is) followed by the past participle of the main verb (spent).

10) These advertisements will be published by the beginning of next week. The verb "publish" is in the future tense, so we use the future tense of the passive form of the verb "be" (will be) followed by the past participle of the main verb (published).

11) The office will be cleaned by the time the chief arrives. The verb "clean" is in the future tense, so we use the future tense of the passive form of the verb "be" (will be) followed by the past participle of the main verb (cleaned).

12) The patient is being examined by the doctor now. The verb "examine" is in the present tense, so we use the present tense of the passive form of the verb "be" (is) followed by the past participle of the main verb (examined). In this case, "is being" indicates an ongoing action.

13) Children are always given presents at Christmas. The verb "give" is in the present tense, so we use the present tense of the passive form of the verb "be" (are) followed by the past participle of the main verb (given). In this case, "are always" indicates a general truth.

14) The computer must be switched off for the night. The verb "switch off" is in the present tense, so we use the present tense of the passive form of the verb "be" (must be) followed by the past participle of the main verb (switched off). In this case, "must" indicates necessity.

15) Odessa is visited by a lot of tourists every year. The verb "visit" is in the present tense, so we use the present tense of the passive form of the verb "be" (is) followed by the past participle of the main verb (visited).