State the function of the Infinitive and the Infinitive Construction:
1. To discuss this question is absolutely useless.
2. It is useless to discuss this question.
3. He is said to have lived a terrible life in Africa.
4. I remember to have heard about the accident.
5. He was too busy to see anyone.
6. Mrs. Smith's flat was not easy to find.
7. She nervously moved her hand towards her lips as if to stop him.
8. I want you to help me.
9. She must have called him long ago.
10.I’ve never had time to examine the room.
11.He put on his coat not to get cold.
12.To cut a long story short, they thought it would be more safely to live at the villa.