一、意思不同
1、decide to do:待办事项。
2、doing:所做的事,发生的事。
二、用法不同
1、decide to do:动词不定式,为非谓语动词。在英语语法中,动词不定式是指动词中的一种不带词形变化从而不指示人称、数量、时态的一种形式。它之所以被称做不定式,是因为动词不被限定,或者说不被词形变化所局限。不定式属于非谓语动词形式。
2、doing:动名词,指的是动词ing形式的一种,兼有动词和名词特征的非限定动词。它可以支配宾语,也能被副词修饰。动名词有时态和语态的变化。英语中的动名词是由动词变化而来。
三、侧重点不同
1、decide to do:侧重于表示想做但是还没做的事。
2、doing:侧重于表示正在做的事。
1、What made you decide to do a portal for gamers?
2、We can all do much more than we think, once we decide to do it.
3、At this point I don't care what you decide to do.
4、Remember, positive change happens when we decide to do life differently.
5、Never say regret once you decide to do one thing and give up another.
6、He is doing his homework.
7、We heard loud music coming from the house, so we went to see what they were doing.
8、The kids are playing in the park.