不定代词（somebody / anything / nobody）
肯定句用 some- 词，疑问句和 not 后面用 any- 词，no- 词本身就是“没有”。一句话里只能有一个否定。
例句
- There is somebody at the door.有人在门口。
- I didn't see anything.我什么也没看见。
- Nobody called me.没有人给我打电话。
讲解
学完这一课，你能
- 说“有人”“某样东西”“某个地方”
- 在疑问句和否定句里说“任何人”“任何东西”
- 用 nobody / nothing 说“没有人”“什么也没有”
some-
肯定句
There is somebody at the door.
有人在门口。somebody 和 someone 一样。
I want something to eat.
我想吃点东西。
She lives somewhere in London.
她住在伦敦的某个地方。
any-
疑问句和 not 后面
Is there anybody here?
这儿有人吗？
I didn't see anything.
我什么也没看见。
Did you go anywhere?
你去什么地方了吗？
no-
本身就是否定
Nobody called me.
没有人给我打电话。
There is nothing in the box.
盒子里什么也没有。= There isn't anything in the box.
I said nothing.
我什么也没说。= I didn't say anything.
常见错误
两个否定
I didn't see nothing.I didn't see anything. / I saw nothing.
英语一句话里只要一个否定。
Anybody didn't call.Nobody called.
Is there nobody here?（想问“有人吗”）Is there anybody here?
练习要点
1. somebody / something / somewhere
肯定句里用 some- 词：There is somebody at the door。I want something to eat。
- Somebody took my umbrella.有人拿了我的伞。
2. anybody / anything / anywhere
疑问句和 not 后面用 any- 词：Is there anybody here？I didn't see anything。
- Did you go anywhere?你去什么地方了吗？
3. nobody / nothing / nowhere
no- 词就是“没有”，动词用肯定形式：Nobody called。I said nothing。不能和 didn't 一起用。
- There is nothing in the box.盒子里什么也没有。
练到脱口而出
围绕这 3 个要点的小练习，每答一题立刻批改。免费开始。