1) You ___ switch your phone off in the class. a) can`t b) mustn`t c) must 2) ___ you help me to clean the house, please? a) Will b) Shall c) Must 3) You ___ have any sweets. It's dinner time. a) mustn`t b) don`t have to c) could 4) The boys ___ wash the dishes yesterday. a) have to b) didn`t have to c) must 5) Sam ___ speak English when he was six. a) can b) can`t c) couldn`t 6) You ___ play football in the living room. a) must b) mustn`t c) have to 7) ___ you open the door, please? a) Could b) Shall c) Must 8) You ___ go to school today. It`s Sunday. a) have to b) don`t have to c) must 9) ___ I carry those books for you? a) Can b) Shall c) Will 10) You ___ be careful when crossing the street. a) have b) must c) can`t 11) I ___ swim when I was two. a) can`t b) couldn`t c) could 12) ___ I go to the supermarket? a) Will b) Shall c) Can 13) The Wilsons ___ buy a new car. It`s too expensive. a) can`t b) can c) could 14) Students ___ finish the test in an hour. a) can b) must c) shall 15) Jane ___ write an essay yesterday. a) had to b) must c) can

Modal verbs

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