State the functions of the infinitive. V11. It is not necessary

State the functions of the infinitive.
V1
1. It is not necessary to go into details. 2. I rose to receive my guests. 3. He seems to be satisfied to be doing nothing. 4. I felt an impulse to laugh. 5. Her first action was to visit her granny. 6. He was too astonished to speak. 7. The best thing he could do was to get out of here. 8. Soon the boy began to take an interest in his work. 9. He waited for her to speak. 10. He recognized me and мейд as if to get up.
V2
1. I want you to tell me what you know about her. 2. He waved his hands as if to express his distaste. 3. He was careful not to allude to the subject. 4. The child is too small to understand it. 5. He must do it immediately. 6. The man was not one to think rapidly. 7. A gentleman to come to that! 8. He came to the party to find it over. 9. For him to do it is impossible. 10. He used to visit her mum on Sundays.