情态动词,助动词后面接动词原形没错!
但情态动词ought 后有个to ought to do sth
had better
would rather
do nothing but
help (to) do sth
Why...
Why not...
情态动词,助动词后面接动词原形没错!
但情态动词ought 后有个to ought to do sth
had better
would rather
do nothing but
help (to) do sth
Why...
Why not...