Part 4: Combine the sentences by using perfect participles.
1. Jack had been their own boss for such a long time. He found many ways to help them overcome troubles.
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2. Mr. Brown had tied one end of the rope to his bed. Then he threw the other end out of the window.
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3. He had read the instruction, and he snatched up the fire extinguisher.
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4. John had failed twice. Then he didn’t want to try again.
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5. They finished their homework. Then they went to bed.
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6. She hadn’t caught the bus, so she went home by foot.
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