Ex3:
1. The children usually play the same.....
2. Thao is always a.....
3. As a rule, Nam practices....
Or: Nam practices speaking E as a rule.
4. He has usually been her on time.
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Vị trí: Trạng ngữ chỉ thời gian: sau trợ động từ (nếu có) và trước động từ chính.
Trạng ngữ khác: cuối/đầu câu (tùy loại)
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Ex4:
21. friendly (be+adj)
22. sastified (feel+adj; bị động -> -ed)
23. interest (any+N)
24. interesting (adj+N; chủ động -> -ing)
25. disappointment (sở hữu+N)
26. prepareation (in+N)
27. contentment (of+N)
28. continuously (V+adv)
29. neighborhood (the+N)
30. readily (adv+V)
Ex5:
1. It took him 2 hours to read this book. 
2. It takes my father more than 30 minutes to jog everyday.
3. It took them 2 hours to finish their work.
4. They will spend 2 years building the house.
5. I spend 1 hour doing my exercise. 
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S+spend+time+V-ing+O = S+take+O+time+to-V+O