1. My sister is old enough to drive a car

2. This coat isn't warm enough for me to wear it in winter

3. The weather was fine enough for us to go camping

4. Those apples aren't ripe enough for us to eat them

5. The radio isn't small for you to put it in your pocket

*Cấu trúc enough:

S + be + adj + enough + for sb + to + V

(Bonus: Cấu trúc too:

S + be + too + adj + for sb + to + V)

1. My sister is old enough to drive a car.
2. This coat isn’t warm enough to wear in winter
3. The weather was fine enough to go camping
4. Those apples aren’t ripe enough to eat
5. The radio isn’t small enough to put in your pocket