Fill in:must(n't),should(n't),need(n't),can('t).
1)You.................enter this area.It's forbidden.
2)It's too sunny.I........put on my sunglasses.
3)I think the government.............do more to help the poor.
4)this is a secret.You.............tell anyone
5)We've got plenty of time.We.........hurry
6)You........touch these wires.It's dangerous
7)Everything's fine .You......worry
8)You..........eat so many sweets.They're bad for you
9)This skirt isn't dirty.You......wash it
10)We............play tennis here.It's for members only.
2.
correct the mistakes in the sentences
1)I hope you can to take part in the school play.
2)we went to a beach where we could sunbathed
3)Our teacher said we should did our test in silence
4)We can feeding the animals if we want
5)The older children are allowed to staying up later
6)Can we to bring out dog on holiday?
7)You needn't have to bring a present
8)Hockey players has to wear pads and helmets during the game.

1.1)mustn't2)should3)must4)mustn't5)needn't6)shouldn't7)needn't8)shouldn't9)must10)can't2.1)I hope you can take part in the school play2)We went to a beach where we could sunbathe3)Our teacher said we should do our test in silence4)We can feed the animals if we want5)The older children are allowed to stay up later 6)Can we bring out dog on holiday?7)You needn't bring a present8)Hockey players have to wear pads and helmets during the game.