I'm sure / we / not win the match tonight
-> We won't win the match tonight.
Perhaps / Phong / not be at home right now
-> Phong may not be at home right now.
Perhaps / Mai / know the answer to the homework
-> Mai might know the answer to the homework.
I'm sure / I / pass the final exams this year
-> I will pass the final exams this year.
I'm sure / my parents / pay for my holiday this summer
-> My parents will pay for my holiday this summer.
I'm sure / Bill / win the next competition
-> Bill will win the next competition.
Perhaps / I / study biology at university
-> I may study biology at university.
Perhaps / Mai / pass the exams
-> Mai might pass the exams.
I'm sure / they / not arrive before 1 pm
-> They won't arrive before 1 pm.
Perhaps / we / not see you until Tuesday
-> We may not see you until Tuesday.

1. I'm sure we won't win the match tonight.
2. Phong might not be at home right now.
3. Mai may know the answer to the homework.
4. I'm sure I will pass the final exams this year.
5. I'm sure my parents will pay for my holiday this summer.
6. I'm sure Bill will win the next competition.
7. I may study biology at university.
8. Mai might pass the exams.
9. I'm sure they won't arrive before 1 pm.
10. We might not see you until Tuesday.

1. I'm sure we won't win the match tonight.
2. Perhaps Phong might not be at home right now.
3. Perhaps Mai may know the answer to the homework.
4. I'm sure I will pass the final exams this year.
5. I'm sure my parents will pay for my holiday this summer.
6. I'm sure Bill will win the next competition.
7. Perhaps I might study biology at university.
8. Perhaps Mai may pass the exams.
9. I'm sure they won't arrive before 1 pm.
10. Perhaps we might not see you until Tuesday.