一则征聘广告的结尾这样写：

“Suitable candidates will be offered a very attractive terms which cannot be refused.”

这句话的意思，一目了然，可惜其中有个不该有的语法错误；那就是“a very attractive terms”中的“terms”是个复数名词，不需要有冠词，和不定冠词“a”连用，更是不合语法规则。

为了避免同样的错误出现，现在试把不需要冠词的场合列下，以作参考：

㈠复数名词，如：

1. Doctors cure patients.

2. Axes are tools for cutting wood.

3. Those people are teachers, not students.

㈡物质名词，如：

4. Gold is precious.

5. Air is indispensable to animals.

6. Electricity is a form of energy.

㈢抽象名词，如：

7. Unity is strength.

8. Knowledge is power.

9. Samson is a man of bravery.

㈣有关餐食的名词，如：

10. Dinner is ready.

11. After lunch, you may take a nap.

12. What do you eat for breakfast?

㈤有关四季的名词，如：

13. I like autumn most.

14. Do you have to teach in summer?

15. Winter is over; will spring be far away?

㈥有关游戏和运动的名词，如：

16. Fandi can play soccer very well.

17. Do yo like to play chess?

18. Is bridge a popular game here?

㈦有关疾病的名词，如：

19. Old People tend to suffer from diabetes.

20. Many women are inflicted with rheumatism.

㈧有关学科或带“－ism”后缀的名词，如：

21. Mathematics and physics are difficult subjects.

22. Which do you prefer, imperialism or communism?

㈨在“by + 交通工具”的片语里，如：

23. Shall we walk or go by bus?

24. The tourists came by plane.

25. Do you like to travel by land or by sea?

㈩关于“人、节日、地理、建筑物、语言”等的专有名词，如：

26. Tony wants to see Susan.

27. Christmas is a widely celebrated festival.

28. Europe is more advanced than Africa.

29. Do you know where Buckingham Palace is?

30. Is Japanese similiar to Chinese?

上述是无须冠词的例句，但当专有名词之前有修饰语时，可以用定冠词（例(31)－(32)）；当抽象名词被形容词、短语或分句修饰时，也可以有适当的冠词（例(33)－(36)）：

31. Caesar was an ancient hero. Do you admire the great Caesar and his deeds?

32. We enjoy reading the great works written by the immortal Shakespeare.

33. A little knowledge is a dangerous thing.

34. The wisdom of Solomon was recorded in history.

35. Tom showed a courage worthy of special mention.

36. I find it hard to forget the generosity with which David treated me.