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1. My brother is often sleeping on the floor.

2. Does he stay up late?

3. I always do the housework with my brother.

4. Peter and Mary never come to class on time.

5. Why does Johnson always get good mark?

6. She seldom cries.

7. My father never has popcorn.

8. He sometimes plays gofl on Sundays.

9. The weather is always bad in November.

10. We seldom have fish for dinner.

trạng từ tần suất thường đứng trước động từ thường, sau động từ tobe