see sb.do sth.
had better do sth.
should do sth.
would rather do sth than (to ) do
help (to) do sth.
hear/find/watch/ notice/observe sb.do sth.
let/make/have sb do sth.
什么动词后面是加do的像see sb do这样的，越多越好。有急用，回答得又正确又多的追加悬赏！
see sb.do sth.
had better do sth.
should do sth.
would rather do sth than (to ) do
help (to) do sth.
hear/find/watch/ notice/observe sb.do sth.
let/make/have sb do sth.