In Conversations^x, Possessives^x

Who, whom and whose are relative pronouns. Who and whom are used for persons. They introduce relative clauses postmodifying the head of a noun phrase, and they are identical in form with interrogative pronouns but function differently. Who: nominative form. "The student who failed the test was...

Haa..haaa...shows that how difficult for me to learn English. When I speak in mother tongue, I never think which one is 'noun' or which one is 'adjective', the thing is, I don't really have that kind of environment to get me accustomed to using English, I try to read more, but to learn through...