Change these sentences from active to passive:

People speak Portuguese in Brazil.
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The Government is planning a new road near my house.
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My grandfather built this house in 1943.
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Picasso was painting Guernica at that time.
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The cleaner has cleaned the office.
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He had written three books before 1867.
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John will tell you later.
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By this time tomorrow we will have signed the deal.
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Somebody should do the work.
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The traffic might have delayed Jimmy.
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