Unit 4知识讲解课件-2025-2026学年人教版(2012)九年级英语全一册
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Unit 4 第三课时
九年级英语全一册
自学导航
v
【重点短语】(单词表中的本课时词汇均在∗短语中设空)
1. ∗ spiders and insects 蜘蛛和昆虫
2. used to be on the soccer team
过去曾是足球队的一员
3. be nervous about … 对……感到紧张
4. all the time 一直
【重点句子】
I used to be nervous about tests all the time.
我过去总是对考试感到紧张。
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九年级英语全一册
【教材典句释析】
● I used to be nervous about tests all the time.
我过去总是对考试感到紧张。(教材P29,1e)
【探究】be nervous about 表示“对……感到紧张”,
about 作为介词,后可跟名词或动词-ing 形式。
例如:
I’ll be nervous about speaking in front of crowds.
在人群面前发言,我会紧张。
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九年级英语全一册
1. She joined the soccer team last year. (改为同义句) She was on the soccer team last year.
2. speaking, nervous, she, gets, public, in, about
(连词成句)
She gets nervous about speaking in public .
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课堂即学即练
$Unit 4 单元语法专题
九年级英语全一册
一、辨析
短语 含义
used to do sth. 意为“过去常常做某事”,表示过去习惯性、经常性的动作或 状态 ,侧重于过去和现在进行对比 ,暗指现在已经不做了。这个结构只有过去式,用于所有的人称,后面跟动词原形。
be/get/become used to (doing) sth. 意为“ (变得)习惯于做某事”,后面动词用-ing 形式。
be used to do sth. =be used for (doing) sth. 意为“被用来做某事”。
be used by sb. 意为“被某人使用”。
be used in sp. 意为“在某地被使用”。
九年级英语全一册
二、used to do sth. 的句式变化
•否定句:sb. +didn,t use to do sth.
•一般疑问句:Did+sb. +use to do sth. ? ( 回答:Yes,sb. did. /No,sb. didn’t. )
•特殊疑问句 :How/Wh-+did+sb. +use to do sth. ?
三、used to 也可用于there be 结构,表示“ 曾经有; 过去常有”。
There used to be a meeting last month. 上个月这里曾经开了会。
注 :不能说There used to have …
$Unit 4 第一课时
九年级英语全一册
自学导航
v
【 重点短语】(单词表中的本课时词汇均在∗短语中设空)
1. used to have straight hair 曾经留直发
2. ∗be silent in class 在课堂上很安静
3. be more interested in 对……更感兴趣
4. from time to time 时常;有时
5. turn red (脸)变红
6. ∗get good grades/scores on his exams
他在考试中获得好成绩
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九年级英语全一册
短语中未涉及词汇:
1. humorous adj. 有幽默感的;滑稽有趣的
2. helpful adj. 有用的;有帮助的
【 词形变化】
1. humorous adj. 有幽默感的;滑稽有趣的 →humor n. 幽默
2. silent adj. 不说话的;沉默的→silence n. 沉默
3. helpful adj. 有用的;有帮助的→helpless adj. 没用的
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九年级英语全一册
【重点句子】
1. She was never brave enough to ask questions.
她从来不够勇敢去问问题。
2. She still plays the piano from time to time.
她仍然时不时地弹钢琴。
3. It’s been three years since we last saw our primary school classmates.
自从我们上一次见到小学同学已经有3年了。
4. He used to be so shy and quiet. 他过去非常害羞安静。
九年级英语全一册
考点点拨
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① silent adj. 不说话的;沉默的;安静的 silence n. 寂静;无声
【探究】silent意为“ 人不说话的;环境安静无声的”,其常见搭配如下:
•remain/stay/keep silent 保持沉默
•fall silent=become silent 安静下来了;不喧闹了
•in silence=silently 默默地
【重点词汇点津】
九年级英语全一册
例如 :
①He spoke no English and kept silent during the visit.
他不会说英语,参观过程中一言未发。
②The crowd fell silent when the president
appeared. 总统出现时,人群安静了下来。
③He sat silently by the bed.
=He sat by the bed in silence .
他默不作声地坐在床边。
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❷ score n. 分数 v. 得分;进球
【探究】作动词,意为“ ( 比赛中)得分、进球或(考 试中)得分”;作可数名词,意为“ (考试或比赛中 的)得分、成绩”。常见搭配如下:
•get a high/low score/grade 得高分/低分
=get high/low scores/grades
•score a goal 射门得分
•What is the score? 比分是多少?
九年级英语全一册
例如 :
①He has scored 12 goals so far this season.
这个赛季到目前为止他进了 12 个球。
②He studied hard and had good scores on his exams.
他学习很努力,考试总是能取得好成绩。
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❸ helpful adj. 有帮助的
【探究】该词意为“ 有用的;有帮助的;乐于助人 的”,
常见搭配如下:
•It’s helpful (for sb. )to do sth. 做某事(对于某人来说)有用
•be helpful in doing sth. 在做某事中很有帮助
•be helpful to sb. /sth. 对……有帮助
•be helpful (某人)愿意帮忙的=be always readyto help
九年级英语全一册
例如 :
① It is helpful for me to read English aloud
every morning. 每天清晨大声朗读英语对我来说很有帮助。
② Role-play is helpful in developing my communication
skills. 角色扮演对于提高我的交际能力很有帮助。
③A dictionary is helpful to your study.
字典对你的学习很有帮助。
④She is one of the most helpful people that I know.
她是我认识的人中最乐于助人的人之一。
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【教材典句释析】
① She still plays the piano from time to time. 她 仍然时不时地弹钢琴。(教材P26, 2b)
【探究】from time to time 意为“有时;偶尔”,相当于once in a while 或 sometimes。其他与time 相关的短语如下:
•as time goes by 随着时间流逝
•It takes time to do sth. 需要时间做某事
•take your time 慢慢来
•What a waste of time! 真浪费时间!
九年级英语全一册
•run out of time 耗尽时间
•for some time= for a while 持续了一段时间
•at any time 任何时间
•at the same time 同时
•in time 及时
•on time 准时
•all the time 一直
•for the first time 第一次
九年级英语全一册
例如 :
①Will you be able to finish it in time ?
你能及时完成吗?
②She has to work at weekends from time to time . 她偶尔周末还得工作。
③There’s no need to rush— take your time .
别着急,慢慢来。
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④Hurry up! We’re running out of time.
快点! 我们没时间了。
⑤ For the first time in his life he felt truly happy.
他这辈子第一次真正地感到幸福。
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❷ It’s been three years since we last saw our primary school classmates. 自从我们上一次见到小学同学已经有3 年了。
(教材P26,2d)
【探究】“It’s been+一段时间+since …”意为“ 自从 ……以来有多长时间了”, since 后面从句要用一 般过去时, has
been 可以用is 代替。例如 :
It has been five years since I began to learn
English.
=It is five years since I began to learn English.
我学英语已经五年了。
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❸ He used to be so shy and quiet. 他过去非常害羞安静。(教材P26,2d)
【探究】used to +动词原形,意为“ 过去常常做某
事”,暗示现在不做了。
例如 :
①I used to live in London. 我曾经在伦敦居住过。
②I used to go there every Saturday.
我以前每星期六都去那儿。
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九年级英语全一册
【知识重温】used to do 的句式变化
•肯定句:used to do sth.
•否定句:didn’t use to do sth. /used not to do sth.
•一般疑问句 :Did sb. use to do sth. ? (回答 : Yes, sb. did./No, sb. didn’t. )
特殊疑问句 : How/Wh-+ did sb. use to do sth. ?
例如 :
① I didn’t use / used not to like him much
when we were at school.
以前我们上学的时候,我并不太喜欢他。
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九年级英语全一册
② Did she use to have long hair?
她过去留长发吗?
③— Did you use to go to museums?
— 你以前常去博物馆吗?
— Yes I did /No I didn’t
— 是的 。/不是。
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1. She seems to be more interested (interest) in art
than in music.
2. It has been (be) five years since we last saw each other.
3. I am looking forward to travelling abroad for the first time.
4. — I can’t stand swimming in cold rivers in winter.
— But it’s helpful (help) for your health. You know I
often swim in rivers in different seasons.
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课堂即学即练
九年级英语全一册
5. I used to like him much when we were at school.
(改为否定句)
I didn’t use to like him much when we were at school.
6. The final score was 4-3. (对划线部分提问)
What was the final score?
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九年级英语全一册
7. She has to work at weekends sometimes. (改为同义句)
She has to work at weekends from time to time.
8. 那个时候,一些学生在安静地做作业。(完成译句)
Some students were doing the exercises in silence at that time.
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$Unit 4 第四课时
九年级英语全一册
自学导航
v
【重点短语】(单词表中的本课时词汇均在∗短语中设空)
1. a normal 15-year-old boy from the countryside
一个普通的 15 岁的农村男孩
2. do well in school 在学校表现得好
3. used to have difficulties in school
曾经在学校遇到困难的事情
4. ∗ seldom cause any problems 很少惹麻烦
5. feel lonely 感觉孤独
6. ∗ influence his schoolwork 影响他的学业
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7. become less interested in studying
变得对学习不太感兴趣
8. ∗be absent from classes 缺课
9. ∗ fail his examinations 他考试没通过
10. ∗send him to a boarding school 把他送到寄宿学校就读
11. in person 亲自地 =personally
12. take a 5-hour bus ride 坐了5 个小时的客车
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九年级英语全一册
13. ∗take pride in=be proud of 以……为傲
14. join the school basketball team 加入学校篮球队
15. in many other activities 在很多其他的活动中
16. be worried about=worry about 担心
短语中未涉及词汇:
exactly adv. 确切地;精确地
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九年级英语全一册
【 词形变化】
1. absent adj. 缺席;不在→absence n. 缺席
2. fail v. 不及格;失败;未能(做到)→failure n. 失败 →v. 成功(反义词)succeed
3. exactly adv. 确切地;精确地→exact adj. 确切的; 精确的
4. pride n. 自豪;骄傲→proud adj. 自豪的;骄傲的
九年级英语全一册
【重点句子】
1. Now I understand that even though they are busy, they are always thinking of me.
现在我明白了, 尽管他们很忙,但他们总是挂念着我。
2. I’m much happier now, and I work even harder than I used to.
我现在开心多了,甚至学习也比以前更用功了。
九年级英语全一册
考点点拨
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【重点词汇点津】
①influence v. 对……有影响 n. 影响
【探究】一般表示一种潜移默化的影响,常用搭配如下:
• have a strong influence on sb. = influence sb. strongly
强烈影响某人
•under the influence of …在……的影响下
九年级英语全一册
例如 :
① He begins writing under the influence of his friend,
Robert.
他在朋友罗伯特的影响下开始写作。
②His writings have influenced the lives of millions so
far.迄今为止他的作品影响了数百万人。
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③Western culture continues to have a strong influence
on the rest of the world.
西方文化继续强烈地影响着世界的其他地方。
【知识重温】
make a difference to sb. /sth. 对……有影响
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九年级英语全一册
❷ pride n. 骄傲;自豪 proud adj. 自豪的 proudly adv. 自豪地
【探究】常作不可数名词使用 ,其常见搭配如下:
•take pride in 为……感到骄傲 =be proud of
•the pride of ……的骄傲
•with pride=proudly 自豪地
九年级英语全一册
例如 :
①They take great pride in their daughter who is now a famous scientist.
他们为成为著名科学家的女儿而感到自豪。
②He is the pride of our city.
他是我们城市的骄傲。
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九年级英语全一册
【拓展】proud 是 pride 的形容词形式,注意其拼写,很容易误写成“pround”。常见搭配如下 :
•be proud of 以……为傲
•be proud to do sth. 为做某事而骄傲
例如 :
①He was proud of himself for not giving up. 他为自己没有放弃而深感自豪。
② I feel very proud to be a part of the team.
能成为队中的一员我感到十分骄傲。
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九年级英语全一册
❸ absent adj. 缺席的 absence n.
【探究】(尤指上课或工作)缺勤的、缺席的。
其常见搭配如下:
•be absent from … 缺席 ……
•in my absence 我不在的时候
例如 :
①How many students are absent from class today? 今天有多少学生缺课?
②Everything has changed in my absence .
我不在时, 一切都改变了。
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九年级英语全一册
❹ fail v. 失败;未能(做)
failure n. 失败 (不可数) ; 失败的人/事(可数)
【探究】fail 作动词时候,可作及物或不及物动词。
常见搭配如下 :
•fail (in) sth. 在……中不及格
•fail sb. =disappoint sb. =let sb. down=make sb. (feel) disappointed 令某人失望
•fail to do sth. =not succeed in doing sth. 未能做某事
•be a complete failure 完全是一个失败者/失败的事
•end in failure 以失败告终
九年级英语全一册
例如 :
①He failed his driving test.
=He failed in his driving test.
= He failed to pass his driving test. 他驾考没有过。
②When he lost his job, he felt he had failed his family.
他失去了工作,他觉得自己让家人失望了。
=When he lost his job, he felt he had disappointed his family.
=When he lost his job, he felt he had let his family down .
=When he lost his job, he felt he had make his family(feel) disappointed .
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③We never fail to attend class.
我 们从不缺课。
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九年级英语全一册
【教材典句释析】
① Now I understand that even though they are busy, they are always thinking of me. 现在我明白了,尽管他们很忙,但他们总是挂念着我。 (教材P30,2b)
【探究】be always doing sth. 意为“ 总是做某事”, 表达说话者的强烈情感; even though 意为“ 即使 ; 虽然”,相当于although/though。
九年级英语全一册
例如:
Although / Even though / Though everyone played well, we lost the game.
尽管每个人都打得不错,我们还是输掉了比赛。
注 : (1)even though/though/although 不与but 连用。
(2)even though 不能写成 even although。
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❷ I’m much happier now, and I work even harder than
I used to. 我现在开心多了,甚至 学习也比以前更用功了。(教材P30,2b)
【探究】much 和even 在句子中修饰比较级。只能修饰
形容词或副词比较级的常见副词有 much/ even/a lot。“than I used to”相当于“than before”。
九年级英语全一册
例如 :
①He is much more interested in English than P. E. 和体育课相比,他对英语课更加感兴趣。
②He is even taller than his father.
他甚至比他父亲高。
③I read much less now than I used to .
我现在看的书比过去少得多。
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九年级英语全一册
1. She’s a lot happier (happy) now than she was a year ago.
2. She failed to get into the art college last year. (对划线部分提问)
What did she fail to do last year?
3. I take pride in my work. (改为同义句)
I am proud of my work.
4. 尽管下着雨,我们还是去散步了。(完成译句)
Even though it was raining, we went for a walk.
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课堂即学即练
九年级英语全一册
5. 她的话对我影响深远。(完成译句)
Her words had a strong influence on me.
6. 由于暴风雪,许多学生缺课。(完成译句)
Many students were absent from class due to the snowstorm.
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$Unit 4 第二课时
九年级英语全一册
自学导航
v
【重点短语】(单词表中的本课时词汇均在∗短语中设空)
1. ∗ interview sb. 采访某人
2. take up doing sth. 开始从事 ……
3. ∗ deal with her shyness 克服她的羞怯
4. ∗ dare to do sth. 敢做某事
5. in front of crowds 在人群前
6. ∗get tons of attention 获得很多关注
7. worry about how I appear to others
担心我在别人面前的表现
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九年级英语全一册
8. ∗have much private time 有很多的私人时间
9. be prepared to do sth. 准备好做某事
10. give up normal life 放弃正常的生活
11. the road to success 通往成功之路
12. fight on 坚持下去
13. ∗ require a lot of talent and hard work to succeed 需要许多天赋和努力来获得成功
14. a very small number of 少量的
15. make it 成功做到
16. have curly/straight hair 有卷发/直发
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17. ∗read books on European history 读关于欧洲历史的书
18. ∗books on African culture 关于非洲文化的书
19. ∗teach British English 教英式英语
20. ∗study ants 研究蚂蚁
21. ∗be afraid of insects 害怕昆虫
22. ∗give a speech in public 在公开场合演讲
短语中未涉及词汇:
1. background n. 背景
2. guard n. 警卫;看守 v. 守卫;保卫
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九年级英语全一册
【词形变化】
1. Asian adj. 亚洲(人)的 n. 亚洲人→Asia n. 亚洲
2. deal v. 对付;对待→ (过去式/过去分词)dealt
3. require v. 需要;要求→requirement n. 要求
4. European adj. 欧洲(人) 的 n. 欧洲人 →Europe n. 欧洲
5. African adj. 非洲(人) 的 n. 非洲人 →Africa n. 非洲
6. British adj. 英国(人) 的→Britain n. 大不列颠
九年级英语全一册
【 重点句子】
1. Candy told me that she used to be really shy and took
up singing to deal with her shyness. 坎迪告诉我,她过去
非常害羞,于是开始通过唱歌来克服她的羞怯。
2. I don’t have much private time anymore. 我再也没有很
多私人的时间了。
3. You can never imagine how difficult the road to success is. 你无法想象通往成功的路有多艰难。
4. Only a very small number of people make it to the top.
只有少量的人出人头地。
九年级英语全一册
考点点拨
v
【重点词汇点津】
① dare v. 敢于;胆敢
【探究】dare 常作实义动词,意为“敢”,后面跟不定式作宾语。其常见搭配如下 :
•dare to do sth. 敢做某事
•don’t dare to do sth. 不敢做某事
•Do/Does/Did+sb. +dare to do sth. ? 某人敢做某事吗?
九年级英语全一册
例如 :
①He doesn’t dare to look at her in the eye.
他不敢正眼看她。
② Does he dare to tell her? 他敢告诉她吗?
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九年级英语全一册
❷ deal with 应对;处理(deal/dealt/dealt)
【辨析】deal with 与do with
deal with 处理 与 how 连用
do with 处理 与 what 连用
I don’t know how to deal with the problem.
=I don’t know what to do with the problem. 我不知道该如何处理这个问题。
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九年级英语全一册
【拓展】deal with 还有“涉及;与……打交道”的意思。例如:
①He dealt with all kinds of people in his job.
他在工作中与各种人打交道。
②Her poems often deal with the subject of death.
她的诗经常涉及死亡这一主题。
【知识重温】deal作名词,意为“ 大量 ;交易”。
常见的搭配如下 :
•be not a big deal 不是什么大不了的事
•a great deal of= much 大量的
九年级英语全一册
❸ require v. 需要;要求 requirement n.
【探究】表示需要某物或(法律、规则)要求、规定。 常见搭配如下 :
•require sb. to do sth. 要求某人做某事
•require that sb. (should) do sth. 要求某人做某事
•require sth. 需要某物
九年级英语全一册
例如 :
①Learning a foreign language requires time and effort. 学外语需要时间和努力。
②We require students to be on time.
= We require that students ( should)be on time.
我们要求学生要准时。
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九年级英语全一册
【教材典句释析】
① Candy told me that she used to be really shy and took up singing to deal with her shyness. 坎迪告诉我,她过去
非常害羞,于是开始通过唱歌来克服她的羞怯。
(教材P27,3a)
【探究】take up意为“开始从事某事(作为兴趣、工作等) ”,也可表示“ 占据(时间、空间) ”。
九年级英语全一册
例如:
① Roger took painting up for a while, but soon lost
interest.
罗杰有段时间喜欢上了绘画,但很快就又没了兴趣。
②He left a job in the city to take up teaching in a village. 他辞去城里的工作,开始在农村教书。
③The table takes up too much room.
那桌子占据了太多空间。
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v
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九年级英语全一册
【知识重温】
•take care of 照顾
•take down 拆掉、拆除(建筑物等)
•take in 欺骗
•take sth. seriously 严肃对待某事
•take sb. ’s place 取代某人
•take risks 冒险
•take after (外貌或行为)像(父亲或母亲)
九年级英语全一册
❷ I don’t have much private time anymore.
我再也没有很多私人的时间了。(教材P27,3a)
【知识重温】not … any more/anymore, 意为“ 不再”,强调“再也没有更多( 大) 的数量或程度”; not … any
longer/no longer 意为“不再”,一般强调时间上不再延续。
九年级英语全一册
例如 :
①People aren’t interested in movies anymore /any more.
人们不再对电影感兴趣了。
②She no longer works here.
=She doesn’t work here any longer .
她已经不在这里工作了。
注 :no longer 一般用在行为动词前或be 动词后。
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九年级英语全一册
❸ Only a very small number of people make it to the top. 只有少量的人出人头地。(教材P27,3a)
【探究】“make it to+ 地点”意为“在困难情况下准 时到达”。“make it ”为常见词组,意为“ 获得成功;
(尤指在困难情况下)准时到达;能够出席(或 到场);渡过难关”。
例如 :
①He came to the US and finally made it as an actor. 他来到美国,最终成功地成为一名演员。
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九年级英语全一册
②The flight leaves in twenty minutes — we’ll never make
it . 再过二十分钟飞机就起飞了,咱们无论如何也赶不上了。
③I’m sorry I won’t be able to make it on Saturday.
很抱歉,星期六我出席不了。
④The doctors think he’s able to make it .
医生认为他能挺过去。
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九年级英语全一册
【知识重温】a small/large/great number of 意为“少 量的/大量的”,修饰可数名词,谓语动词用复数; the number of 意为“ ……的数量”,后面跟可数名词,谓语动词用单数。
例如 :
①A large number of students are (be) ill these days because of the flu.
这些天许多学生都因为流感而病了。
② The number of car accidents is ( be ) falling.
车祸的数量正在减少。
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九年级英语全一册
1. They dealt with the challenge by working together as a
team. (对划线部分提问)
How did they deal with the challenge?
2. They dared to walk through the dark street.
(对划线部分提问)
What did they dare to do?
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课堂即学即练
$Unit 4 第五课时
九年级英语全一册
自学导航
v
【重点短语】(单词表中的本课时词汇均在∗短语中设空)
1. ∗ general introduction 简介
2. remain silent most of the time 很多时候保持沉默
3. give a general self-introduction 自我介绍
【词形变化】
1. general adj. 总的;普遍的;常规的 n. 将军 →generally adv. 普遍地;一般地
2. introduction n. 介绍→introduce v. 介绍;引见
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九年级英语全一册
【 重点句子】
My life has changed a lot in the last few years.
在过去的几年里,我的生活改变了很多。
九年级英语全一册
考点点拨
v
● general adj. 总的;普遍的;常规的 n. 将军
【探究】常用短语“in general”,意为“总的说来;一 般说来”,相当于“generally speaking”。general的副词形式为generally,意为“通常地;一般地;普遍地”。
【重点词汇点津】
九年级英语全一册
例如:
①I have a general idea of what I want to express.
我对自己想要表达什么有个大致的想法。
②It’s generally believed that smoking can cause lung
cancer. 人们普遍认为抽烟导致肺癌。
③ Generally speaking , women live longer than men.
总的来说,女性寿命比男性长。
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九年级英语全一册
【教材典句释析】
● My life has changed a lot in the last few years.
在过去的几年里,我的生活改变了很多。(教材 P32,3b)
【探究】in/over/for the last/past few years 意为“在过去的几年里”,常与现在完成时态连用。
例如 :
①Great changes have taken place in the village in the last few years.
在过去的几年里,这个村庄发生了巨大的变化。
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九年级英语全一册
②In the past 10 years, air travel by Americans has increased by 17%.
过去十年中,坐飞机旅行的美国人增长了 17%。
注:
in the past 意为“在过去”,常与一般过去时连用。
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九年级英语全一册
1. Generally (general) speaking, the weather in spring is
quite pleasant.
2. He has changed (change) a lot in the past few years.
3. In the meeting, she chose to remain silent (silence)
and listen.
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课堂即学即练
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