Replace the group of words in bold type by an Infinitive or an infinitive construction

II. Replace the group of words in bold type by an Infinitive or an infinitive construction.
1. If he had another child WITH WHOM HE COULD PLAY he would be happier.
2. The captain was the last man WHO LEFT the ship.
3. He RUSHED into the burning house, WHICH was very brave of him.
4. He was the only one WHO REALIZED the danger.
5. I can't go to the party; I have nothing THAT I CAN WEAR.
6. IS IT likely THAT HE WILL ARRIVE before six?
7. Would you be VERY kind AND translate this for me?
8. I was ON THE POINT OF LEAVING the house when the telephone rang.
9. She was the first person WHO SWAM the Channel.
10. It is important that he should understand this.