spend sometime to do sth 和 spend sometime doing sth 的区别

spend sth (on sth/on doing sth):
to give money to pay for goods, services, etc.用,花(钱)
I've spent all my money already.
She spent 100 on a new dress.
The company has spent thousands of pounds updating their computer systems.

spend sth (on sth)\spend sth (doing sth/in doing sth):
to use time for a particular purpose; to pass time 花(时间);度过
We spent the weekend in Paris.
How long did you spend on your homework?
How do you spend your spare time?
Most of her life was spent in caring for others.
I spend too much time watching television.

(often passive) to use energy, effort, etc., especially until it has all been used 花费,消耗,用尽(精力等)
Se spends too much effort on things that don't matter.

somebody
spend
sometime
in
doing
sth
某人花时间做某事
同样的结构还可以说：
somebody
spend
some
money
in
doing
sth某人花钱做某事
同样的意思我们还可以用以下方式表达：
somebody
spend
sometime(moeny)
on
sth
某人把钱或时间花在某事某物上

没有第一种表达spend sometime doing sth

spend sometime on doing sth
on可以省略 也就是可以写成spend sometime doing sth

楼上说的对 没有SPEND TO DO 这个用法