Replace the following groups of sentences by a sentence with a for-phrase subject Model: He won't catch the six fifteen.

1. It was not difficult for her to explain everything. 2. It was quite an effort for her to manage to do it in time.  3. It is important not to make mistakes. 4. It\'s the usual thing in this family for her mother to make a decision. 5. It won\'t be difficult for us to take a vacation now. 6. I\'ll do you good to speak English with her. 7.  It\'s rather unusual for her to be very late. 8. It will be best for you to see a doctor. 9. It will be rather pleasant for us to spend a couple of weeks in Petersburg next June.