ask sb to do
ask sb to do
ask sb to do sth.
ask sb not to do
ask sb to do sth
ask sb do sth 还是 ask sb to do sth .
是ask sb to do 还是ask sb do呢?
ask sb do sth和ask sb to do sth
ask sb to do 还是 ask sb do
ask sb to do sth和ask sb doing sth
ask sb do/to do sth
ask sb.to do还是ask to do?
ask sb do sth 、ask sb doing sth还是ask sb to do sth