Ex: He is tall. He can play volleyball. => He is tall enough to play volleyball.
1. My sister is old. She can drive a car.
=>
2. The radio isn’t small. He can’t put it in his pocket.
=>
3. This coat isn’t warm. I don’t wear it in the winter.
=>
4. She is beautiful and intelligent. She can become Miss World.
=>
5. The weather was fine. We could go camping6. Those apples aren’t ripe. We can’t eat them.
=> 
7. Mr. Robinson isn’t rich. He can’t buy a house.
=> 
8. The worker is clever. He can make fine things from wood.
=>
9. He wasn’t very experienced. He couldn’t do the job.
=>
10. She can’t drive a motorbike because she is too young.
=> 
11. The boy is too young. He doesn’t understand this.