1 This dress can't be washed
2 The wine should be opened 3 hours before you use it
3 Books may be kept by members for 3 weeks
4 Their tickets shouldn't be thrown by passengers as inspectors may check them during the journey
5 The accident ought to have been reported to the police
6 Umbrellas and sticks must be left in the cloak room
7 Those books should have been taken back to the library
8 The goods which customers have bought during the sale can't be exchanged
9 This man mustn't be moved; he is too ill
10 When this street have been widen, residents will be kept awake by the roar of the traffic all night
1. This dress can't be washed
2. The wine should be opened about 3 hours before it is used
3. Books may be kept by members for 3 weeks