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Exercise 1. When/Before/After/While/As/Every time/ Whenever/In case/By the time/Since 1. I like to read a book 2. 3. I play tennis 4. ..... I go to bed. .....I wear white, I spill on myself. I can. .... it gets too cold, the birds fly south. it rains. 5. I will carry an umbrella 6. 7. ...