1. Bill said he forgot to buy a dictionary

2. I will funish the book before my next birthday

3. By the time you come here, the cake will have been made by Alice

4. Every year, several prizes are given to best students

Bài 2 

1. If she worked hard, she would get good marks

2. Jean asked me which class I was in 

3. Peter plays football well

4. I haven't seen Nam for 3 years

5. Although it was a bad day, we went out for a pinic

6. I wish our team had played better