rewrite these sentences by using because of 1)she can't work hard because she is very old 2)he likes her because of she is very beautiful 3)he couldn't go to school because he was very poor 4)i can't buy this bike because i don't have enough money 5)he broke the vase because he was careless 6)he failed the exam because he didn't learn the lessons carefully 7)we can't go for a walk because it rains heavily 8)he left school because she was given a new bike 9)she was very happy because she was given a new bike 10)i went to bed early because i felt tired

1. Because of being very old, she can't work hard.

2. Because of being very beautiful, he likes her.

3. Because of being very poor, he couldn't go to school.

4. Because of not having enough money, I can't buy this bike.

5. Because of being careless, he broke the vase.

6. Because of not learning the lessons carefully, he failed the exam.

7. Because of the heavy rain, we can't go for a walk.

8. Because of being given a new bike, he left school.

9. Because of being given a new bike, she was very happy.

10. Because of feeling tired, I went to bed early. 

-> Mệnh đề nhân quả:

- Clause 1 (S + V + O) + because + Clause 2 (S + V + O)

- Because of + N/ N phrase/ V-ing, Clause 1 (S + V + O): bởi vì