do和to do放在句首的区别还有doing

do和to do放在句首的区别还有doing actually和really的区别Actually,l doI really do为什么是这样呢 MEAN TO DO 和MEAN DOING 的区别还有TRY TO DO和TRY DOING 句首什么时候用to do?什么时候用doing?注意是to do 或者doing 放在句首的时候 动名词的句法功能start begin continue后跟的动名词区别,还有like love hate prefer;remember forget regret;try;mean;want need require;stop;go on;be used to doing be used to do used to do;can't help doing can't help to do;be afraid of doi to do和only to do的用法和区别. fight to do和struggle to do的区别 only to do和just to do的区别 wish to do和hope to do 的区别 expect to do 和 expected to do 的区别? like to do 和 love to do的区别? attempt to do 和try to do 的区别 how to do和what to do的区别 decided to do和offered to do的区别 be to do和be going to do的区别 to do和to doing的区别 is to do 和 do 是什么区别,在英语当中 区分ask sb to do和tell sb to do在情感上的区别