Rewrite the sentences and questions using modals:: 6). I’m not able to come to your party. 7). Is it possible for you to play basketball tonight? 8). Do you know how to use a computer? 9). It’s impossible for us to answer this question. 10). It’s not possible for me to help you. 11). I don’t know how to play this game. 12). It is necessary for Paul to leave at 6.00 to catch this plane. 13). It is necessary for you to fill in an application form. 14). It isn’t necessary for Mike to wait long for the bus. 15). I am sure he is at home. 16). I am sure it isn’t Tuesday today. It’s impossible. 17). I am sure we are early!