1. Pam couldn`t swim when she was five
2. Kate and Simon can swim.
3. Kate could swim when she was nine.
4. Kate and Pam can`t drive now
5. Kate and Pam will drive one day
6. Simon can drive.
7. Kate couldn`t speak English when she was ten.
8. Kate can speak English now.
9. Simon can`t speak English now.
10. Simon will speak English one day.
Объяснение: