to it 可以替换成 to doing 还是 to do

to it 可以替换成 to doing 还是 to do 有这个短语吗thanks for sb to do sth还有thankful to sb for doing sth 可以替换成这个吗？如果不能可以替换成什么 it is +adj+to do 可以与什么替换 regret not to do sth和regret doing是否可以替换 He thought it absolutely senseless attempting the impossible.句中でattempting 可以替换成 to attempt吗?I don't think it worthwhile going such a place.going 可以替换成 to go tired and unable to relax 可以替换成哪个词 oh ,how l wished to do what they were doing !这个句子是感叹句? 那么what可以替换how吗 many people find it their dream to go to Nashville one day.中的it 可以用that 替换么?为什么? turn to 可以加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? it is fun to do 还是 doing? It’s fun to do还是doing It is worth to do还是doing it's adj+to do还是doing? It is useless to do?doing? I am forward to doing it It will be nice seeing them again句中的动名词也可以用to see来替换吗? it is no good doing 可以用 to do 代替doing 为什么?平时最熟悉的是it is +adj + to do