1.be glad to do sth

be glad of/at doing sth

2.enjoy doing sth

3.abandon oneself doing sth

4.be happy to do sth

5.be pleased to do sth

6.be nice to do sth

7.be delighted to do sth

8.have fun doing sth

9.have a good time doing sth

10.have a nice time doing sth

11.have a great time doing sth。