Awork sheet on the passive

Change the following into passive voice

1-Someone gave John a dollar yesterday.

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2-Researchers believe that oil alternatives will help to reduce pollution.

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3-We should build bridges between Palestine and the world.

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4-Scientists have carried out a great deal of technical studies and experiments.

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5-Does negative stress cause failure?

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6-They are developing new methods of teaching.

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7--Scientists are looking for alternatives for oil .

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8-The police will catch the thief .

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9-They were painting the house when I arrived

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10-Customers use debit cards to withdraw cash from the cash machine .

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11-She has deposited one hundred in her account .

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12.They are building a new house.

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13.The government must find a solution for the problem.

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14.We have produced over 20 modals since last year.

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15The are going to build a new factory in our country.

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16. The Palestinian National Authority has built many schools since 1995.

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