Example: I will sue the person who murdered my neighbour. In the above example, should we treat who as a relative pronoun, a conjunction, or both?
My English teacher asked me what's the difference between what if and if last week. I can't search anything about that. What only I know is what if is a question sentence. And if is a general(?) ...
Buying on margin means borrowing money from a broker to buy more securities than can be purchased with one's own money alone. I was wondering if than in the above example is a conjunction or ...