to 后面跟do还是doing？ to后跟doing还是do如何判断？

\u600e\u4e48\u5224\u65adto\u540e\u9762\u52a0doing\u8fd8\u662fdo\uff1f\u8be6\u7ec6\uff0c\u8be6\u7ec6\uff0c\u4eb2\u3002

\u770bto\u662f\u4ecb\u8bcd\u8fd8\u662f\u4e0d\u5b9a\u5f0f\u4e00\u90e8\u5206
\u4ecb\u8bcdto \u540e\u52a0doing,\u4e0d\u5b9a\u5f0f\u52a0\u539f\u578b
\u5224\u65ad\u4ecb\u8bcd\u8fd8\u662f\u4e0d\u5b9a\u5f0f\u8981\u770bto \u524d\u9762\u7684\u52a8\u8bcd,\u5982\u679c\u524d\u9762\u7684\u52a8\u8bcd\u4e0d\u53ca\u7269.\u5219to\u4e00\u822c\u662f\u4ecb\u8bcd,\u5982\u8fd9\u91cc\u7684look.
\u5982\u679c\u52a8\u8bcd\u662f\u53ca\u7269\u7684,\u5219\u53ef\u80fd\u662f\u4e0d\u5b9a\u5f0f,\u5982forget to do sth.
\u57fa\u672c\u4e0a\u8fd9\u6837\u5224\u65ad.

\u770bto\u5728\u8fd9\u4e2a\u53e5\u5b50\u91cc\u662f\u4ecb\u8bcd\u8fd8\u662f\u4e0d\u5b9a\u4ee3\u8bcd\uff0c\u662f\u4ecb\u8bcd\u7528doing\uff0c\u662f\u4e0d\u5b9a\u4ee3\u8bcd\u7528do.\u5e0c\u671b\u5bf9\u4f60\u6709\u5e2e\u52a9

to作动词不定式结构时后跟do，作介词时跟doing
如
He wants to go shopping.

He looks forward to hearing from you.

to后面一般do，也就是to do sth，是一组固定搭配来的。而doing有很多的规定搭配，比如说like doing sth或者是doing sth now，搭配都是有规律可循的，时态的问题。

devote to后面跟do还是doing？为什么？ devoteto致力于，献身于后面是doing，因为to是介词如：Hedevotedhimselftostudyingthelaw.

扩展阅读：goto后面加do还是doing ... 什么加to do什么加doing ... than后用to do还是doing ... ban用法doing还是todo ... proceed to do 还是doing ... ing和to do的区别和用法 ... beexcitedtodo还是doing ... 怎么判断to do还是doing ... to do和doing用法归纳 ...