think后加动词的什么形式

think + to do sth。但这种用法很少见的。要注意词义：1、= to expect to do sth。e。g。I didn't think to meet you here。= I didn't expect to meet you here。没有料到2。= to remember or to plan to do sth。e。g。I didn't think to tell you about it beforehand。没有想到,没有考虑到