(Use to where necessary "to" complete the sentences) 1.Have you ever seen fish ... jump? 2.How can you make a child ... learn to be polite? 3.We all want you ... be very happy. 4.Yesterday I heard someone .... say that the weat...

(Use to where necessary "to" complete the sentences) 1.Have you ever seen fish ... jump? 2.How can you make a child ... learn to be polite? 3.We all want you ... 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.