Directions: Circle the correct auxiliary modal verb in each sentence. 1) My boss told me that I (have to, must) work overtime this week. 2) I (must, have to) get my hair cut before the dance. 3) She (has to, must) pay monthly rent to live in her apartment. 4) Ted’s dad said that he (must, has to) clean his room before he can play. 5) I (have to, must) buy those pretty red shoes. 6) The runner (has to, must) win the race to get a gold medal. 7) The police officer said that I (must, have to) go to jail. 8) I (must, have to) win this game of cards. 9) I (have to, must) become a tennis champion. 10) People (must, have to) eat to live.