Replace the following groups of sentences by a sentence with a

Replace the following groups of sentences by a sentence with a for-phrase subject Model: He won39;t catch the six fifteen. It39;s impossible. It is impossible for him to catch the six fifteen. 1. She explained everything. It was not difficult. 2. She managed to do it in time. But it was quite an effort. 3. Don39;t make mistakes. It39;s important. 4. Her mother мейд the decision. It39;s the usual thing in this family. 5. We ought to take a vacation now. It won39;t be difficult. 6. You39;ll speak English with her. It39;ll do you good. 7. She is very late. It39;s rather unusual. 8. You really ought to see a doctor. It will be best. 9. We39;ll spend a couple of weeks in Petersburg next June. It will be rather pleasant.