have fun doing sth( 做某事有乐趣). [举例]We have fun learning Enlish.(我们学英语有乐趣)
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.)
现在分词形式,如have fun playing the ball玩球玩得高兴
have fun with跟某人一起玩得高兴,后接人名
have fun doing sth( 做某事有乐趣)
have fun with +n. 玩得高兴,