Exercise 35 p. 257 Paraphrase the following sentences so as to use the passive infinitive.

1. They were to do the work in three steps. 2. They are to discuss the question at the next meeting. 3. We couldn't calm him down. 4. You are not to eat the cake until the whole family have gathered. 5. You mustn't argue about the order. 6. One can't miss a chance like that. 7. You may make all the necessary changes any moment. 8. You must pay for the ticket immediately. 9. You mustn't mark the pages of a book. 10. You are to keep the children quiet

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1. The work was to be done by them in three steps. 2. The question is to be discussed by them at the next meeting. 3. He couldn't be calmed  down. 4. The cake isn’t to be eaten by you until the whole family have gathered. 5. The order mustn't be argued about. 6. A chance can’t be missed like that. 7. All the necessary changes may be made by you any moment. 8. The ticket must be paid for by you immediately. 9. The pages of a book mustn’t be marked by you. 10. The children are to be kept quiet by you.