为什么the way 后接to do,the solution后接to doing

the best way 后接什么?是to do还是doing? the best way to do sth is后加doing还是to do? the way of doing 必须是the way to do the approach to doing sth 和the way to do? risk 后接 doing 还是 to do enjoy 后接doing or to do suggest后接 to do还是 doing mind 后接doing 还是to do the key to 后加do还是 doing? This is the way to do it.中的to可以去掉吗?或者把to去掉do变doing?为什么? on the way to do sth 还是on the way to doing sth the way to do sth与the way doing sth和the way of doing sth的区别