Trust me, you'll have fun playing the piano.相信我吧，弹钢琴将会使你快乐。
Bob will have fun looking for them Wish you have fun learning English this term You will have fun learning English this term You will have fun reading about the world we live in Most kids have fun creating lanterns or playing g...
He had a lot of fun making plane models. 他很享受做飞机模型
I have fun playing with my friends
这里的doing其实是动名词，句中实际省略了介词in，也就是 i have fun in doing sth 介宾作状语成分。
这个后面的to do 还是doing 和have没有关系，而是要看在fun 还是time 之后 have fun doing sth其实是have fun in doing sth在做某事的过程中感到快乐,另外可参考 have difficult doing sth, have time to do 是指有时间去做某事
have fun doing sth
have fun doing sth中doing是动名词。因为have fun后面接的的宾语，可以看成have fun in doing，自然介词in后面接是就是动名词做宾语。 动名词在句子里有着名词的作用，所以可以做主语、宾语、表语、宾语补足语。 现在分词相当于修饰词，所以在...
have fun in doing sth in可以省略 have fun with sth/sb:和...玩的很开心.[举例]He had fun with his friends.(他和朋友们玩的很开心.)
have fun (in) doing sth．开开心心做某事 have fun意为“过得快活”，后常接动词－ing形式，其前的介词in可以省略.相当于enjoy oneself，have a good time。如： The boys are going to have fun (in) drawing the pictures. have fun doing sth....