Fill in with the correct form of mustn't, don't need to/don't have to. 1 We don't have to/don't need to be at school until 9 o'clock. 2 You ........................................... get stressed about the homework – it's easy. 3 You .................................................. eat too much junk food – it’s bad for your health. 4 She ............................................ change her diet – she always eats healthy food. 5 The children ................................................ watch too much TV – it's bad for their eyes. Rewrite the sentences using might. 1 Perhaps she will lose weight with her new diet. She might lose weight with her new diet. 2 It is possible he'll feel better tomorrow. .................................................................. 3 There is a chance I'll get a good night's sleep. .................................................................. 4 I'm not sure if he will take up a hobby. .................................................................. 5 It's possible that they'll follow my advice. ..................................................................