look at sb/sth
give sth to sb
get sb sth=gei ath for sb
let sb do sht
help sb do sth=help sb to do sth
be helpful to do sth
wait for sb
be glad to do sth
sell sth to do sb/sw
would like to do sth
need to do sth
why not to do sth=why don t do sth
what about doing sth
plan to do sth
It s time to do sth
tell sb to do sth
start to do sth
thank for doing sth
make sb do sht
我打不了那么多,记住：介词后用ing 形式,可以省掉很多的麻烦