九年级英语知识点有哪些重点难点？

人教版九年级英语知识点总览

九年级英语的核心在于综合运用，它不仅要求掌握新的语法和词汇，更重要的是将整个初中阶段的知识融会贯通，能够进行复杂的阅读、写作和口语交际。

我们将总结分为以下几个部分：

1. 核心语法
2. 重点词汇与短语
3. 功能意念项目 (常考话题)
4. 各单元核心知识点
5. 备考建议

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第一部分：核心语法 (重中之重)

九年级的语法是初中语法的拔高和总结,是中考的绝对核心。

宾语从句

在句子中作宾语的句子。

• 引导词:
  • that: 无实际意义，可省略 (I think that he is right.)
  • if/whether: “是否”，不能省略 (I wonder if/whether he will come.)
  • 特殊疑问词 (what, who, which, when, where, why, how): 意义为它本身，语序用陈述句语序 (Can you tell me where he is? 错误：where is he)
• 语序: 永远是陈述句语序。
• 时态:
  • 主句是现在时/将来时,从句可用任何时态。
  • 主句是过去时，从句要用过去的某种时态 (一般过去时、过去进行时、过去将来时、过去完成时)。
  • 客观真理用一般现在时，不受主句时态影响。 (The teacher told us that the earth moves around the sun.)

状语从句

在句子中作状语，修饰主句的动词、形容词或副词。

• 时间状语从句: when (当...时), while (在...期间), as (一边...一边...), before (在...之前), after (在...之后), since (自从...), until/till (直到...), as soon as (一...就...)
  • 时态: 当主句用将来时，从句通常用一般现在时表示将来。 (I'll call you as soon as I arrive.)
• 条件状语从句: if (, unless (除非)
  • 时态: 同上，主句将来，从句现在。 (If it rains tomorrow, we will cancel the picnic.)
• 原因状语从句: because (因为), since (既然, 因为), as (因为)
  • because: 语气最强，回答 why 的提问。
  • since/as: 语气较弱,表示对方已知的事实或理由。
• 目的状语从句: so that (以便), in order that (为了)
• 结果状语从句: ...so + 形容词/副词 + that... (..以至于...), ...such + (a/an) + 形容词 + 名词 + that... (..的一个...以至于...)
  • He is so young that he can't go to school. (他太小了，不能去上学。)
  • He is such a young boy that he can't go to school. (他是如此小的一个男孩，以至于不能去上学。)
• 让步状语从句: although/though (虽然, 尽管), even though/even if (即使), whether...or... (无论...还是...)
  • 注意: 不能与 but 连用。 (错：Although he is tired, but he works hard. 对：Although he is tired, he works hard. / He is tired, but he works hard.)

情态动词

• can/could: 能力，许可，可能性
• may/might: 可能，许可 (可能性比 could 小)
• must: 必须，一定 (表示推测时,用于肯定句)
• have to: 不得不 (强调客观需要)
• should/ought to: 应该
• will/would: 意愿，请求 (would 更委婉)
• need: 需要 (作情态动词时,多用于否定句和疑问句)
• dare: 敢 (同上)
• 情态动词 + have done (对过去的推测):
  • must have done: 肯定做过某事 (You're wet. You must have been caught in the rain.)
  • can't/couldn't have done: 肯定没做过某事 (He can't have finished the work so soon.)
  • may/might have done: 可能做过某事 (She may have missed the bus.)
  • should/ought to have done: 本应该做某事 (但没做) (You should have told me earlier.)
  • needn't have done: 本没必要做某事 (但做了) (You needn't have bought so much food.)

被动语态

强调动作的承受者。

• 基本结构: be + 动词的过去分词
• 时态变化:
  • 一般现在时: am/is/are + done
  • 一般过去时: was/were + done
  • 一般将来时: will be done / am/is/are going to be done
  • 现在进行时: am/is/are being done
  • 过去进行时: was/were being done
  • 现在完成时: have/has been done
  • 过去完成时: had been done
• 特殊形式:
  • 含情态动词的被动语态: 情态动词 + be + done (The work must be finished on time.)
  • 不定式的被动语态: to be done (The problem to be solved is very difficult.)

非谓语动词

• 动词不定式:
  • 作主语、宾语、表语、定语、状语、宾补。
  • 常用结构: want/decide/hope/plan + to do, find/think/feel it + adj. + to do, too...to... (太...而不能...), enough to... (足够...可以...)
• 动名词:
  • 作主语、宾语、表语、定语。
  • 常用结构: enjoy/finish/mind/practice + doing, be used to doing (习惯于做某事)
• 现在分词:
  • 作定语、表语、宾补、状语 (表示主动或进行)。
  • a sleeping baby, The story is interesting, I saw him crossing the street.
• 过去分词:
  • 作定语、表语、宾补、状语 (表示被动或完成)。
  • a broken window, I am interested in the story, I had my hair cut yesterday.

过去完成时

表示“过去的过去”。

• 结构: had + 动词过去分词
• 用法: 在一个过去的动作之前已经发生的动作。 (By the end of last year, we had learned five English songs.)

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第二部分：重点词汇与短语

九年级的词汇量要求更高,且更注重短语的搭配和运用。

常用动词短语

• look up: 查阅
• look for: 寻找
• look after: 照顾
• look forward to: 期待
• give up: 放弃
• give away: 赠送，分发
• put off: 推迟
• put up: 搭建，张贴
• turn on/off: 开/关
• turn down: 调低音量，拒绝
• pick up: 捡起，用车接人
• take off: 脱下，起飞
• put on: 穿上，上演
• deal with: 处理，应对
• run out of: 用完
• depend on: 依赖，取决于
• agree with: 同意某人/某话
• agree to: 同意某个计划/建议
• pay for: 支付...的费用
• instead of: 代替，而不是

重要形容词与副词

• 表示“必须”的词: necessary, essential, important
• 表示“惊讶”的词: surprised, amazing, astonishing
• 表示“困惑”的词: confused, confusing
• 表示“有能力的”词: able, capable
• 表示“困难的”词: difficult, hard, tough
• 表示“可能的”词: possible, probable, likely

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第三部分：功能意念项目 (常考话题)

中考口语和书面表达常围绕以下话题展开：

1. 建议与请求: How about...? / Why not...? / Let's... / Could you...? / Would you mind...?
2. 同意与不同意: I agree. / I can't agree more. / I don't think so. / That's a good idea.
3. 喜好与厌恶: I like/enjoy... / I prefer... to... / I can't stand...
4. 计划与意图: I'm going to... / I plan to... / I intend to...
5. 邀请与应答: Would you like to...? / I'd love to. / I'm sorry, but...
6. 感谢与道歉: Thank you. / I appreciate it. / I'm sorry. / Forgive me.
7. 道歉与原谅: I'm sorry for... / It doesn't matter. / That's OK.
8. 祝贺与祝愿: Congratulations! / Best wishes! / Good luck!
9. 同意与许可: Sure. / Of course. / You'd better not. / No, you can't.
10. 可能性与 certainty: Maybe / Perhaps / Probably / It's certain that...

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第四部分：各单元核心知识点 (按教材顺序)

• Unit 1 How can we become good learners?

  
  （图片来源网络，侵删）
  • 话题: 学习方法
  • 重点短语: by working with friends, by reading the textbook, ask the teacher for help, have conversations with, take notes, write down, look up, practice pronunciation, connect...with...
  • 语法: How 和 What 引导的特殊疑问句 (How do you learn English? What about reading aloud to practice pronunciation?)

• Unit 2 I think that mooncakes are delicious!

  • 话题: 节日与习俗
  • 重点短语: put on, end up, share sth. with sb., in the shape of, as a result, so...that...
  • 语法: 宾语从句 (I believe that the Water Festival is really fun.)

• Unit 3 Could you please tell me where the restrooms are?

  • 话题: 问路与指路
  • 重点短语: go along, turn left/right, on the left/right, next to, between...and..., excuse me, pardon me, could you please...?
  • 语法: 宾语从句 (Could you please tell me where the restrooms are?) + 礼貌的问路方式

• Unit 4 I used to be afraid of the dark.

  • 话题: 过去与现在的对比
  • 重点短语: used to do sth., be afraid of, be interested in, take up, deal with, be proud of, on the swim team
  • 语法: used to do sth. (过去常常做某事) 和 be used to doing sth. (习惯于做某事) 的区别。

• Unit 5 What are the shirts made of?

  • 话题: 物品的制作材料与产地
  • 重点短语: be made of (看得出原材料), be made from (看不出原材料), be made in (产地), be made by (制造者), environmental protection, even though, no matter
  • 语法: 一般现在时的被动语态 (Where are these products made? / They are made in China.)

• Unit 6 When was it invented?

  • 话题: 发明与创造
  • 重点短语: by accident, be invented by, be used for, without doubt, at that time, divide...into...
  • 语法: 一般过去时的被动语态 (When was the telephone invented? / It was invented in 1876.)

• Unit 7 Teenagers should be allowed to choose their own clothes.

  • 话题: 规则与建议
  • 重点短语: allow sb. to do sth., be strict with sb., get a driver's license, instead of, spend...on... / spend...(in) doing..., worry about
  • 语法: 情态动词的被动语态 (Teenagers should be allowed to choose their own clothes.)

• Unit 8 It must belong to Carla.

  • 话题: 推测与可能性
  • 重点短语: belong to, must be, could be, might be, can't be, hair band, pick up, in the neighborhood, as a matter of fact
  • 语法: 情态动词表推测 (肯定用 must, 否定用 can't, 可能用 could/might)

• Unit 9 I like music that I can dance to.

  • 话题: 喜好
  • 重点短语: prefer...to... / prefer doing...to doing..., lyrics, gentle, remind sb. of sth., take it easy, feel down
  • 语法: 定语从句 (关系代词 that, which, who) (I like music that I can dance to. / The movie which we saw yesterday was boring. / The man who is talking to my father is a doctor.)

• Unit 10 You're supposed to shake hands.

  • 话题: 文化习俗与礼仪
  • 重点短语: be supposed to do sth., shake hands, kiss sb. on the cheek, drop by, for the first time, table manners, make noise
  • 语法: be supposed to do sth. (应该做某事,表示义务或期望)

• Unit 11 Sad movies make me cry.

  • 话题: 情感与影响
  • 重点短语: make sb. do sth. / make sb. adj., drive sb. crazy, be friends with, in fact, would rather...than..., not...at all
  • 语法: make 的用法 (make sb. do sth. / make sb. adj. / make sth. done)

• Unit 12 Life is full of the unexpected.

  • 话题: 意外事件
  • 重点短语: by the time, by the end of, give up, in time, on time, be full of, take place, get married
  • 语法: 过去完成时 (By the time I got up, my brother had already gotten in the shower.)

• Unit 13 We're trying to save the earth!

  • 话题: 环境保护
  • 重点短语: be full of, take away, throw away, put to use, turn off, pay for, recycle, reuse, pollution, environment, litter
  • 语法: 现在进行时表将来 (The government is taking measures to solve the problem.)

• Unit 14 I remember meeting all of you in Grade 7.

  • 话题: 回忆与展望
  • 重点短语: remember to do (记得要做某事) / remember doing (记得做过某事), look forward to, one another, the first time, make a difference, take pride in, graduate from
  • 语法: 非谓语动词 (I remember meeting you for the first time.)

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第五部分：备考建议

1. 回归课本，夯实基础: 九年级的知识点都是基于七、八年级的，确保课本上的单词、短语和基本句型都掌握牢固。
2. 专项突破，攻克语法: 针对宾语从句、状语从句、被动语态等核心语法，进行专项练习,理解其规则并能灵活运用。
3. 整理错题，查漏补缺: 准备一个错题本，记录自己做错的题目，特别是语法题和完形填空，定期回顾,分析错误原因。
4. 精读泛读，提升语感: 每天坚持阅读，可以是课本、简单的英文读物或中考真题阅读理解，这不仅能巩固词汇,还能培养语感和阅读速度。
5. 勤于动笔，练习写作: 每周至少写一到两篇作文，可以围绕常考话题（环保、建议、计划等）进行练习，写完后可以请老师或同学批改,注意语法错误和逻辑连贯性。
6. 模拟考试，适应节奏: 在中考前，进行几次完整的模拟考试，严格按照考试时间，熟悉考试流程和时间分配,锻炼应试心态。

希望这份总结能对你的九年级英语学习有所帮助！祝你学习进步,在中考中取得优异成绩！