九年级的英语知识对于很多同学来说压力已经非常大了，其实在进入初中阶段，英语的知识会随着年纪的增高逐渐加深，在这个时候一定要掌握一些重点的知识，这样在学习的时候才会更加的有效果。今天给大家整理了九年级上册英语的一些重点知识复数名词的误用来一起学习一下。
英语上册知识点：复数名词的误用
英语名词分可数的和不可数两种。可数名词指一般动物和事物，如“Man/ friend/ driver/ student/ dog/ cat/ boat/ egg/ gun/ hand/ head/ lamp/ road/ table/ car ”等等。
可数名词有两个数，即单数和复数。单数名词可以和不定冠词“ a/ an”或其他名词限定词(determiners)连用;复数名词可以和数目词，如“many/ a few/ some/ a lot of”等连用。
不可数名词指物质名词(material nouns)和抽象名词( abstract nouns)，如：“air/ butter/ grass/ money/ sand/ water/ carefulness/ joy/ peace”等等。不可数名词可以和数量词，如“much/ a little/ little/ a great amount of”等连用。不可数名词只有单数，没有复数“-s”的形式。
有些人对名词数的概念不很清楚，对数目词(expressions of number)和数量词(expressions of quantity)也有些混乱，结果把数目词用在不可数名词之前或随意在不可数名词后面加上复数词尾 “-s”，这些都是语法上的错误。例如：
① Our workshop has ordered some new equipments from Germany.
虽然有些人把 equipment(配备)当成可数名词，但是它是不可数的，不可有“-s”。
② My teacher gave me some sound advices. 应该是“advice”。
③ Do you have any special informations for me? “Information”才对。
④ Most furnitures in my house are made of wood. 应该是“furniture……is……”
⑤ Today, I have many new works to do. 必须是“a lot of new work”才是。
⑥ Don't walk on the grasses. 应该用“grass”。
⑦ Our foreign students have made great progresses in their studies. “Progress”(进步)不可数;不可有“-es”。
⑧ All his money are kept in the bank. “Money”(金钱)属不可数名词;动词要单数的“is”。
上述这类有关不可数名词的错误，极为普遍;只要看看学生的作文，便知道了。
既然如此，要怎样避免这种错误呢?
首先，必须牢记不可数名词绝对没有复数形式。其次，随时准备些数量词，如“much/ little/ some/ a little/ a lot of/ plenty of”等，以便在必要时和不可数名词连用。最后，谨记：谓语动词必须和主语的数目一致。既然不可数名词没有复数形式，那么谓语动词若是简单现在时态(simple present tense)，现在进行时态( present continuous tense)或现在完成时态(present perfect tense)的话，就必须以单数形式出现。例如：
⑨ Bread is sold in coffee shops and supermarkets.
⑩ His luggage is somewhere at the railway station.
1. Some money is being used to help the poor.
2. The information required includes personal particulars and the present salary.
3. A lot of time has been spent on this project.
4. Hypocrisy gives rise to mistrust.
5. Familiarity breeds contempt.
英语上册知识点：交际用语
1. --- Excuse me, have you got …?
--- Yes, I have. (Sorry, I haven’t.)
2. --- Why don’t you …?
--- Thanks, I will.
3. --- Thanks a lot. (Thank you very much.)
--- You are welcome.
4. --- Have you ever done…?
--- Yes, I have, once. (No, never.)
5. --- I’ve just done…
--- Really?
6. ---What’s …like ?
7. --- How long have you been…?
--- Since…
8. --- Have you ever been to…?
--- I’ve never been there. (None of us has./ Only …has. )
9. --- Would you like to have a try?
--- I don’t think I can…
10. --- What have you done since…?
11. --- How long have you been at this …?
--- For…
12. --- How long has she/ he worked there…?
--- She’s / He’s worked there for… / all her / his life.
13. --- I’m sorry he isn’t here right now.
14. --- May I help you?
15. --- That’s very kind of you.
16. ---Could we go scuba diving?
17. --- Could you tell us how long we’re going to be away?
18. --- Let’s try to find some information about it, OK?
19. --- Could you please tell me how to search the Internet?
20. --- Go straight along here.
21. ---Please go to Gate 12.
22. --- Please come this way.
23. --- Could you tell me what you think about Hainan Island?
24. --- That sounds really cool!
英语对我们日常的生活和工作是非常重要的，而且英语也是非常重要的一门学科，所以想要学好英语一定要掌握一些重点，也要掌握一些学习方法，今天整理的这些一定要做好相应的笔记，这样对复习会非常有帮助。