is to do和doing的区别His problem is thinking too much about his personal interest.The purpose of the Youth League meeting is to set up a volunteer project.I have an important meeting to attend this afternoon.

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is to do和doing的区别His problem is thinking too much about his personal interest.The purpose of the Youth League meeting is to set up a volunteer project.I have an important meeting to attend this afternoon.
is to do和doing的区别
His problem is thinking too much about his personal interest.
The purpose of the Youth League meeting is to set up a volunteer project.
I have an important meeting to attend this afternoon.

is to do和doing的区别His problem is thinking too much about his personal interest.The purpose of the Youth League meeting is to set up a volunteer project.I have an important meeting to attend this afternoon.
is to do 要做某事,还没有做
doing 通常是正在做,或者已经完成的动作

to do是表示一种趋势，要做什么事
doing 表示一种状态，正在做什么

前者是表将来，后者是现在进行时

is to do 是将要做，表示还没发生的事情，是将来时
doing是正在做，表示事情正在进行中，是进行时，但有时与always连用时，表示一种不耐烦，老是在做某事

to do和to doing的区别 to do和doing的区别 doing和to do的区别 doing和to do的区别 to do 和doing放句首的区别 is to do和doing的区别His problem is thinking too much about his personal interest.The purpose of the Youth League meeting is to set up a volunteer project.I have an important meeting to attend this afternoon. it is whothwhile to do 和 doing 区别 there is sth to do和there is sth doing 的区别 is to do与is doing区别 sb is suitable to do sth和suitable of doing 的区别是什么 this is my first time 后面加to do和doing的区别 MEAN TO DO 和MEAN DOING 的区别还有TRY TO DO和TRY DOING agree to do和agree to doing的区别 agree to do和agree to doing的区别 get to do 和get to doing 的区别 use to do和use to doing 的区别 it is fun to do和it is fun doing区别也就是说不定式与动名词作主语的区别 To do和Doing做主语的区别,什么时候用To do,什么时候用Doing?