不定代词：

　　some, any, no, every

　　-thing: something, anything, nothing, everything

　　-one: someone, anyone, anything, everyone

　　-where: somewhere, anywhere, anywhere, everywhere

　　-body: somebody, anybody, nobody, everybody

　　例子：

　　(1)Help! Somebody? Anybody?

　　(2)Where did you go? I went nowhere.

　　(3)Nobody is at home.

　　(4)You are really something.

　　(5)I looked for my book everywhere, but I cant find it anywhere.

　　(6)If you want to go somewhere, if you want to be someone, you must wake up.

　　(7)Since everybody is here, lets begin our class.

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