8. The ladder wasn't long enough to reach the window.
=> The ladder is so short that it can't reach the window.
=> It is such a short ladder that it can't reach the window.
=> The ladder was too short to reach the window.
9. The weather is not warm enough to go swimming.
=> The weather is too cold for us to go swimming..
=> The weather is so cold that we can't go swimming.
10.
=> You are young enough to drive this modern car.
=> you are not old enough to drive this modern car
11.
=> He didn't have enough money to live on it.
