We should make a contribution to constructing our motherland.为什么construct 要加ing?

问题描述:

We should make a contribution to constructing our motherland.为什么construct 要加ing?
不是除了特殊情况外,其他都是to do sth.

make a contribution to做出贡献;捐赠,to 是介词,后跟动名词( v ing)