请问have a good/hard/difficult time to do 还是doing

问题描述:

请问have a good/hard/difficult time to do 还是doing

have a good/hard/difficult time (in )doing 这里的in可以省略的,因为in是介词,介词后面通常情况下可加名词或动名词(doing),是不可以加to do的,把其当成固定结构去记忆,!