VI. Change into the passive voice
1. You must hand in your compositions before Friday.
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2. You should send for the doctor immediately.
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3. They might postpone the excursion until Saturday.
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4. They are going to announce the exam results tomorrow.
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5. They should widen the road at this point.
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6. An expert should check these machines regularly.
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7. We’ll have to repair the roof before the rainy season comes.
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8. They ought to white – wash the building for the celebration.
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9. You must attach a birth certificate to the application.
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10. You should inform the school of your change of address.
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11. This boy broke my window yesterday.
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12. People plant rice in those fields.
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13. They have known him well
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14. They shouldn’t cut the flowers in this garden
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