不定代词及不定副词
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）I looked for my book everywhere, but I can’t find it anywhere.
2）If you want to go somewhere, if you want to be someone, you must wake up.
3）Help! Somebody? Anybody?
4）You are really something. 你真了不起！（口语中常用 "something"来表示“真像回事儿”，“真行”的意思）
5）Since everybody is here, let’s begin our class.
6）Where did you go? I went nowhere.
7）Nobody is at home.