Task 1Explain the functions of nonfinite verbs in the following sentences.1. Talking aloud is prohibited in the lab.2. It is not good for you to smoke so much.3. Her job is calculating the cost of production.4. But her job today is to clean the window.5. I like watching TV every evening，but I don't like to watch TV tonight.6. The visiting director expressed his satisfaction with the products, adding that he had enjoyed his stay here.7. When he was decorating his house, he got the bedroom painted first.8. The news left me wondering what would happen next.9. There was a terrible noise following the sudden burst of light.10. He took down the things discussed at the last meeting.