有没有waste time doing sth.

有没有waste time doing sth. waste time to do sth还是waste time doing sth? 有it is a waste of time doing sth 这种用法吗? It's a waste of time doing sth. 有没有have a good time doing sth? a waste of time后面是加 doing sth还是to do sth 有没有begin doing sth? 有没有have a good time doing sth和have a hard time with sb waste time/money ( ) doing sth.介词到底用in 还是 on 有没有success in doing sth或success doing sth 有没有have a great time doing sth这个短语,如果有,那意思是什么 关于time 的句型It is the time for doing sth 有没有It is the time to