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.

"+"
I've been digging the garden since morning
she's already been waiting for me for ten minutes.
it has been raining for the whole day.
I have been doing my homework since 2 o'clock
Tom has been repairing his car for a couplr of hours

"-"
she hasn't been watching T.V. since morning
I haven't been doing my homework for an hour
they haven't been swimming since 3 o'clock
I haven't been studying for my exams for a month
Laura hasn't been sitting an exam for an hour

"?"
your hair are wet. have you been swimming?
Has it been snowing since morning?
has she been baking a cake for half an hour ?
have they been watching TV since morning?
Has she been writing an essay for the whole Sunday evening?

I will go to school. I won't go school. Will you go to school? No ,I won't
She is doing shopping now . She isnot doing shopping now. Is she doing shopping now?Yes she is
We usually have dinner at home. We usually do not have dinner at home. Do we usually have dinner at home ? Yes we do.
He had a good time last Monday. He did not have a good time last Monday. Did he have a good time last Monday? No he did not.
I will buy a car next year . I will not buy a car next year. Will you buy a car next year? Yes I will.