(Use to where necessary "to" complete the sentences) 1.Have you ever seen fish ... jump? 2.How can you make a child ...

1. Have you ever seen fish jump? 2. How can you make a child learn to be polite? 3. We all want you to be very happy. 4. Yesterday I heard someone say that the weather was going to change. 5. I\'ll let you go to the cinema if you are good. Инфинитив употребляется без частицы \"to\":- после модальных глаголов (кроме to be to, to have to, to ought to); - после глаголов to let, to make; - в сложном дополнении после глаголов восприятия (to see, to hear, to feel, to watch etc.); - после выражений: would rather, had better.