Ответ:
2.I am able to go to Malaga next week.
3.People aren't able to know everything.
4.Molly is able to wear a suit tonight.
5.I wasn't able to decorate the New Year tree as I didn't have any balls.
6.Mother is able to believe his words.
7.Sam isn't able to ride a horse next Friday as he broke his leg.
8.Doris was able to swim when she was three.
9.Helen isn't able to visit her grandparents next month.
10.You aren't able to go to school if you are ill.