1. Prepare the lesson carefully or you will get bad mark. (Inversion)
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2. Mix blue and yellow, you get green.
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3. Hurry or you'll be late for school. (Unless)
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4. I don’t know Korean so I couldn’t talk to Koreans. (Inversion)
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5. You can use my car but you must drive carefully. (As long as)
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6. I don't win a lot of money, so I can't spend most of it travelling round the world.
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7. I am short; that's why I won't be a pilot.
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8. If I were you, I would eat less. (inversion)
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9. I didn't tell her any good news because I wasn't here.
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10. I was wearing a seat belt, so I didn't have a bad accident.
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11. He isn't a rich man now because he didn't take my advice.
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12. Last night I had an accident because I wasn’t careful. (Inversion)
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13. You help me so I can finish my work.
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14. She encouraged him and he succeeded. (But for)
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15. The teacher explained and we understood. (without)
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16. Travelling by car is convenient in case you have somewhere to park. (Providing)
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17. She must study hard to pass the exam. (Provided)
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18. The meeting can be cancelled because it snows heavily. (Inversion)
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19. Robert got a bad cough because he started smoking cigarettes. (Inversion)
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