Use “can” if possible; otherwise use “be able to”. 1. george has traveled a lot. he … speak three languages. 2. martin is an eccentric. i’ve never … understand him. 3. tom might … come tomorrow. 4. sandra … drive but she hasn’t got a car. 5. i’m very busy on friday but i … meet you on saturday morning. 6. ask catherine about your problem. she might … help you. 7. i would like to … swim well. 8. she used to … dance very well but she … not do it now.
