让某人做某事let somebody do somethingmake somebody do somethingask somebody to do something1. 那太可惜让某人做某事例子:我想让他去电影院。That is too bad. Ask sb. to STH. Example: I want to ask him to go to the movies.2. 那太可惜让某人做某事例子:我想让他去电影院。That is too bad. Ask sb. to STH. Example: I require to ask him to go to the movies.3. 这就是为什么让某人做某事的最佳途径是“播种”。That's why the best way to get someone to do something is to plant the seed.
see sb doing sth 是指“看见某人正在做某事”,不是全过程,表正在进行。see sb.do sth 是指”看见某人做过某事”是看着事情的发生全过程,是看见某人做某事。I saw her clean the classroom.是说我看到她打扫教室了。(强调做过这件事)I saw her cleaning the classroom.我看到她正在扫打教室。(强调正在做某事)