The document discusses abilities at different ages, providing examples of things a person could or couldn't do when they were younger, such as being able to swim at age 5, play tennis at age 15, or drive a car and speak at unspecified younger ages. Suggested answers are provided testing ability to swim at age 5, play tennis, and not being able to play at another age.

4. T
F
F
F

8. 2,, 3,

9. 2 - Could, couldn’t, able to
3 - Were, wasn’t able to

11. 2 - I usually do a sum in maths.
3 - I find software in a computer.
4 - If a person works in computer
programming, they tell computers what to
do.

12. Suggested answers:
1 - Could you swim when you were five?
2 - I could play tennis.
3 - No, I wasn't able to play.

13. swim
play tennis I became fifteen
drive a car
speak