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.

Climate change is a real problem, but its
1) importance has been
2) grossly exaggerated. It's far less important than other social problems such as povetry, infectious diseases
3) deforestation, and
4) extinction of species, not to mention war, nuclear weapons and
5) biological weapons. We don't know whether the observed climate changes are, on balance, good or bad for the health of the biosphere. And the effects atmospheric carbon dioxide as a
6) effects on fertilize (здесь опечатка)  of plant
7) growth are at least as important as its effects climate. So, we agree that more research is needed to improve
8) scientific
9) understanding of global
10) warming. 

1. I love music more than dancing.
2. Unfortunately, we couldn't wait any longer .
3. As the night came nearer he felt even worse.
4. We will work better if we are paid more.
5. My cousin lives further than you.
6. He passed the examination the best of all.
7. Birds fly lower today than usual.
8. He threw the stone the furthest of all.
9. Two hours later she felt much better.
10. You walk the fastest of all. Can you walk slower?
11. Nowadays i am working harder than ever.
12. Can you speak a little more politely?
13. Last year we travelled more comfortably than they.