Make sentences from the words in brackets using the correct forms of the infinitives
1 The light is on. (everybody/must/come home)
2 Look! Clouds are gathering. (it/could/start raining)
3 Don’t phone Mary now. (she/might/have breakfast)
4 Liz was standing at the theatre. (she/must/wait for someone)
5 I don’t believe you! (it/can’t/be true)