of course, if there is action noun , we have to use possessive+doing as general action
learning gmat is good for every persons but my learning (of) gmat is bad
gmat dose not test "of" in above sentence.. some times gmat use "of" sometimes it dose not use . some grammar book said that if doing is used to refer to general action (not the action of the subject), "of " is needed . but do not care because gmat dose not care.
learning gmat is good for every persons but my learning (of) gmat is bad
gmat dose not test "of" in above sentence.. some times gmat use "of" sometimes it dose not use . some grammar book said that if doing is used to refer to general action (not the action of the subject), "of " is needed . but do not care because gmat dose not care.