to do和doing的区别？

Answer 1

(1)to
do是动词不定式如:(做主语)To
play
basketball
is
very
fun.(做补语)I
have
a
cake
to
eat...
(2)当出现to
doing是to是介词故后用动名词(介宾关系)如:give
one`s
life
to
doing
sth,prefer
doing
sth
to
doing
sth,pay
attention
to
doing
sth...
(3)区分它们要靠积累
(-.-;)

Answer 2

to
do是一种动词不定式的最基本表现，许多都要用到，而且to
do是做宾语补足语，表目的。
want/get/advise/allow
to
do
sth
doing
也是动词不定式的另一种形式，在句子中表示正在做某事，用于进行时。还可以接固定搭配
practice/get
used
to/spend...in/have
fun
doing
sth
还有介词后一般接doing
sth