6. The heavy rain prevented us from going to school (prevent s.one from doing s.th: ngăn cản ai làm gì)
7. How old is your son, Mr. Hung? (What + tobe + TTSH + age? = How old + tobe + S?: Hỏi tuổi)
8. Because of being sick, I couldn't go to school yesterday (Because of + N/V_ing = Because + clause)
9. Because of being very lazy, he often gets bad marks
10. Because of not doing his homework, he was punished
11. It took her only five minutes to finish this test (S + spend + time/money + V_ing = It + take + s.one + time/money + to V(inf)
12. I wasn't as tall as I am this year (So sánh bằng: S1 + tobe + as + adj/adv + as + S2)
13. She is the cleverest in my class (No one + tobe + adj_er/more adj + than S = S + tobe + the adj_est/ the most adj +....)
14. He is the most intelligent in my school
15. What is your height? (How tall + tobe + S? = What is + TTSH + height?: Hỏi chiều cao)