1. 表泛指的不可数名词或复数名词前。如：
Snow was failing. 正在下雪。
Children get a better education today than at any time in the past. 现今孩子们受的比过去任何时候都好。
2. 倒装的让步状语从句中：在as(虽然)引导让步状语从句前面的单数可数名词前不用冠词。如：
Child as he was, he knew how to help others. 他虽是个孩子，但已如何帮助别人。
3. 某些特殊词前：例如在man(人，人类), word(消息)的前面不用冠词。如：
Man is a rational animal. 人是理性的动物。
Word came that he had married again. 有消息说，他又结婚了。
又如动词 turn(变成)，go(变成)后作表语的名词前通常用不用冠词。如：
He was a teacher before he turned writer. 他在成为作家之前是。
4. 独立主格结构中：在表示伴随或补充说明用用的独立主格结构中，名词前不用冠词。如：
The teacher came in, book in hand. 走进教室，手里拿着书。
He was sitting in the chair, pipe in mouth. 他坐在椅子里，嘴里叼着烟斗。
5. “(a) kind [sort] of＋名词”结构的“名词”前：该结构中的“名词”不管是单数还是复数，其前都通常用零冠词。如：
This kind of book is very interesting. 这种书很有趣。
He is the sort of person I really dislike. 他这种人我真不喜欢。
6. 表抽象意义的单数名词前：当单数可数名词含义抽象化具有形容词意味时，通常用零冠词。如：
I was fool enough to accept his offer. 我接受他的提议真是太傻了。
Are you man enough for this dangerous job? 你有勇气敢做这项危险的吗?
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