Refer
1 my sister is old. she can driver a car
=> My sister is old enough to drive a car
2 the ladder wasn't verry long .it didn't reach the ceiling
=> The ladder wasn't long enough to reach the ceiling
3 the fire isn't very hot. it won't boil a kettle
=> The fire isn't hot enough to boil a kettle
4 he is strong. he can carry that suicase
=> He is strong enough to carry that suitcase
5 Lan isn't strong . she can't swim across the rive
=> Lan isn't strong enough to swim across the river
6 she is beautiful and intelligent . she can become Miss World
=> She is beautiful and intelligent enough to become Miss World
7 MrRobert isn't rich he can't buy a house
=> Mr Robert isn't rich enough to buy a house
8 the worker in very clever . he can make nice things from wood
=> The worker is clever enough to make nice things from wood
9 our team is very good . we win the foodball match very often
=> Our team is good enough to win the football match very often
10 the radio isn't small . it can't be put it in your pocket
=> The radio isn't small enough to put in your pocket