You can have "to do" or "doing" but I can't think of anything that works with "to doing."
Would you explain, why there needed 'to'?Don't confine yourself to doing sth. only!
This is because you can confine something to something.Would you explain, why there needed 'to'?
Thanks.
I don't know why it appeared. I did't put it intend. I'm sorry.Why do you thumb your post down?