関係代名詞wwwwww
I have a friend who lives in London.(主格の関係代名詞 主格が物や動物だとwhich)
I have a friend whose mather is a beautiful woman.(所有格のry)
These are the picutures which I took in Sydney.(目的格ry 目ryが人だとwhom/who)
The woman who is standing over there is my math teacher.(先行詞が主語になるやつ)
明日には忘れてるなこれwwwww