可以“object to do sth."

可以“object to do sth." object的用法有object sb to do sth这个词组 吗? object to doing 还是object to do 还是object doing?! introduce sb to do sth 可以吗 How to do sth可以独立成句吗? risk to do risk doing,risk sth to do sth都可以那risk to do sth do sth to do 有object to sb doing sth 这个用法么? need sth to do sth use sth to do sth encourage sb to do sth 中的to可以省略吗 threaten to do sth 的 to 前面可以加 sb