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1. they don't always come on time. 2. bill doesn't see his friends on saturday.  3. tom doesn't have a new computer. 4. this bird doesn't fly north in winter. 5. their child doesn't feed the cat. 6. i don't often visit my grandmother. 7. sally doesn't take french lessons. 8. we aren't at work now. 9. her aunt doesn't teach english. 10. the sun doesn't shine brightly.