think doing还是think to do 还是都可以?

think doing还是think to do 还是都可以? 是think to do还是think do 还是think doing think+do还是doing think about 加 to do 还是doing? think about doing还是do 还是什么 think about doing 还是 to do?用法是?为什么? think of后是+ to do还是doing? think about后面是doing还是do? think 究竟加 to do sth 还是 doing sth.不是think of 是THINK ABOUT DO STH,还是 THINK ABOUT DOING STH? think sb do sth还是think sb to do sth What do you think he is doing还是Whai do you think is he doing