1. Only with your friend's help can you do this successfully.
2. He often has a walk with his wife after dinner in the garden
4. If they had gotten enough money, they would have bought the house
5. They might had a party at the Town Hall
6. With the help of his father, the boy was able to write a letter in English
7. Now that the weather becomes warmer, you can go out for a walk
8. Would you mind if I opened the windows
9. The case was too heavy to be put on the track
10. Neither Jean nor my sister can help him