想像力比知识更重要。因为知识是有限的，而想像力是无限，它包含了一切，推动着进步，是人类进化的源泉。下面小编给大家分享一些人教版八年级下册英语知识点，希望能够帮助大家，欢迎阅读!
人教版八年级下册英语知识点1
Unti1 what’s the matter?
短语归纳
1.too much 太多
2.lie down 躺下
3.get an X-ray 做个X光检查
4.take one ’s temperature 量体温
5.put some medicine on ......在....上敷药 6.have a fever 发烧
7.take breaks /take a break 休息
8.without thinking twice 没多想
9.get off 下车
10.take sb to the hospital 送某人去医院
11.wait for等待
12.to one’s surprise 使.......惊讶的
thanks to多亏于;由于
14.in time及时
15.think about 考虑
16.have a heart problem患有心脏病
17.get into the trouble 遇到麻烦
18.do the right thing做正确的事情事情
19.fall down 摔倒
20.put ...... on sth把...放在某物上
21.get hit/sunburned 摔伤/烧伤
22.be interested in 对.....感兴趣
23.be used to 习惯于....
24.take risks/take a risk 挑战
25.lose one’s life 失去生命 !
26.because of 因为
27.run out of 用完
28.cut off 切除
29.get out of 从...出来
30.make a decision/decisions 做决定
31.be in control of 掌管;管理
32.give up 放弃
用法归纳
1.need to do sth .需要去做某事
2.see sb doing sth 看见某人正在做某事
3.ask sb sth 询问某人某事
4.expect sb to do sth 期望某人做某事
5.agree to do sth 想要做某事
6.help sb (to) do sth 帮助某人做某事
7.want to do sth 想要做某事
8.tell sb to do sth 告诉某人做某事
9.have problems(in) doing sth 做某事有困难 10.use sth to do sth用某物去做某事
11.be/get used to doing sth 习惯于做某事 12.seem to do sth 好像做某事
13.keep on doing sth 继续做某事
14.mind doing sth 介意做某事
语法点：
1.询问某人的健康问题及遇到麻烦的表达方法
2.情态动词should的用法
表示劝告与建议，也表义务与责任
第一人称问句中，征询建议要记清
3.不定代词的用法
重点句型解读：
1. What’s the matter (with you)? 怎么了?出什么事了?
What’s the trouble/ the problem / wrong with sb./ sth.?
2. I had a cold.我感冒了。
have a cold=catch a cold=have the flu 感冒
have a fever 发烧
have a cough咳嗽
have a stomachache胃疼，肚子疼
have a toothache牙疼
have a headache头疼
3. 身体部位+ache(疼痛)构成新的复合词
stomach+ache=stomachache head+ache=headache tooth+ache=toothache back+ache=backache后背痛
4. much too+ 词，意为 ，too much+ 词，意为 。
5. enough【形容、副词】足够的/地，enough放在名前后，形副后。
good enough足够好，
enough money=money money
6. lie down躺下， lie 躺，躺着，过去式lay;lie说谎，过去式lied
7. maybe “或许”，常用于句首，表示可能性，后加句子。Maybe you are right.
may be，是情态动词+be的结构，意为“可能，也许”，后加名词、代词或形容词。He may be angry.
8. sound like+名词代词和从句：
It sounds like you don’t know the truth. It sounds like a good idea.
sound+形容词，“听起来，好像”，The music sounds nice.
9. need 需要，实义动词need+名词，需要某物;
need to do sth.需要做某事，主语通常是人，表示人主动的动作：
You need to listen carefully during class.
need doing sth.主语通常是物，表示被动的动作：Your dirty clothes need washing.
10. get off (the bus) 下(公交车) get on 上车
11. agree 同意，赞同;同意做某事 ，同意某人的看法、观点 。
12. trouble问题，麻烦 ;
be in trouble ，make trouble ，
have trouble (in) doing sth.
=have difficulties (in) doing sth 。
13. right away=right now=at once，意为 。
14.【复习】 advice [不可数名词]劝告，建议，向…征求意见 ，
give sb. advice on sth.就某事给某人建议;advise [动词]
advise sb. to do sth.
advise sb. doing sth .
15. 【复习】exercise 动词意为 ，可数时意为 ，不可数时意为 。
16. hurt 及物动词，使……疼痛，……受伤，He hurt his leg while exercising.
不及物动词，……(部位)疼。His leg hurt badly.
17. clean 【动词】 ，clean the classroom ，【形容词】 ，cleaner意为 。
18. hit (用手或器具)打;击打
The boy hit the dog with a stone.
hit sb. on the head/ nose/ back打某人的头、鼻子、后背，on用在所打较硬的部位;
hit sb. in the face/ eye/ stomach 打某人的脸、眼睛、肚子，in用在所打较软的部位。
19. be used to sth./ doing sth.习惯于、适应了……、做某事，强调状态;
His grandpa was used to country life.
Mary is not used to getting up early in the morning.
get/ become used to sth./ doing sth. “变得习惯，逐渐适应……”强调过程、动作：
It’s difficult for one to get used to another country’s habit.
20. 【复习】free [形容词]空闲的free time;免费的the drink is for free;自由的I want to become a free bird.
free【动词】使……解脱，得到自由
He could not free his arm.
21. run out用完，用尽
When his water run out, he knew that he would have to do something to save his own life.
物sth. tun out. 某物用尽了。
sb. run out of物sth..人用尽了某物。
He run out of all his money last night.
22. risk (sb.) to do sth. 冒险去做某事
take a risk=take risks 冒险
23. the importance of (doing) sth.
(做)某事的重要性
We students should know the importance of (learning) English.
importance n. 重要(性)，
important adj.重要的，
unimportant adj.
24. decision 【名词】决定;抉择;
make a decision to do sth.= decide to do sth 决定做某事
25. be in the control of …掌管，管理
The headmaster is in the control of this new school.
be out of control无法控制，无法管理
be under control被控制住，在控制之中
26. 【复习】mind意为“介意”
mind doing sth.介意做某事
Would you mind my opening the window?
27. give up (doing) sth. 放弃(做)某事
give up (playing) computer games;
give up后可接名词、代词和动词ing形式，也可不接，如 Never give up easily.
二、重要短语
1. have a cold
2. have a stomachache
3. see sb. do sth.
4. shout for help
5. expect (sb.) to do sth.
6. to one’s surprise
7. thanks to …
8. think about…
9. be interested in sth.
10. lose one’s life
11. save one’s life
12. take a risk=take risks
13. cut off
14. keep on doing sth.
三、重点语法：
【反身代词】英语中共有八个反身代词，在使用时应注意和它所指的相应的对象在人称、性别、数上保持一致。
数 人称：第一人称/第二人称/第三人称
单数：myself/yourself/himself herself itself
复数：
ourselves/yourselves/themselves
反身代词的用法：
1. 可用作宾语，指的是宾语和主语表示同一个或同一些的人或事物。
如：Maria bought herself a scarf. We must look after ourselves very well.
2. 可用作表语，指的是表语和主语表示同一个或同一些人或事物。
如：She isn’t quite herself today.
3. 可用作主语或宾语的同位语，常用来加强语气。
如：She herself will fly to London tomorrow. I met the writer himself last week.
4. 用在某些固定短语当中。
如：look after oneself / take care of oneself 照顾自己
teach oneself sth./ learn sth. by oneself自学
enjoy oneself 玩得高兴，过得愉快
help oneself to sth 请自用……(随便吃/喝些……).
hurt oneself 摔伤自己
say to oneself自言自语
leave sb. by oneself把某人单独留下
buy oneself sth.给自己买……东西
introduce oneself 介绍……自己
【提醒】
1. 反身代词不能单独做主语，但可以做主语的同位语，起强调作用。如：我自己能完成作业。
(误)Myself can finish my homework.
(正) I myself can finish my homework.
I can finish my homework myself.
2. 反身代词表示“某人自己”不能表示“某人的东西”，因为它没有所有格的形式。表达“某人自己的(东西)”时，须要用one’s own.
如：我用我自己的蜡笔画画。
(误)I’m drawing with myself crayons.
(正) I’m drawing with my own crayons.
人教版八年级下册英语知识点2
Unit 2 I’ll help to clean the city parks
短语归纳
1.clean up 打扫干净
2.cheer up (使)变得更高兴;振奋起来
3.give out 分发
4. used to 曾经......;过去........
5.give away 赠送;捐赠
6.set up 建立;设立
7.make a difference
8.come up with 想出
9.put off 推迟
10.put up 张贴
11.call up 打电话给
12.help out 帮助.....摆脱困难
13.care for 照顾;照看
14.give up 放弃
15.try out for 参加选拔 1
6.come true 实现
17.run out of 用光
18.take after 与.....相像
19.fix up 修理
20.be similiar to 与......相似
用法归纳
1.need to do sth 需要做某事
2.make plan to do sth 制定计划做某事
3.ask sb (not ) to do sth 要求某人(不要)做某事
4.used to do sth 过去常常做某事
5.give up +时间+to do sth放弃时间做某事
6.get a feeling of.....有......感觉
7.decide to do sth 决定做某事
8.help sb (to)do sth 帮助某人做某事
9.make a difference to 对......产生影响
10.make it possible for sb to do sth 使得做某事对某人来说是可能的
重点句型：
1. We need to come up with a plan to tell people about the city park clean-up.
我们要相处一个计划来告诉人们关于这个城市公园清洁日的事。
2.We can’t put off making a plan.我们不能推迟制定计划了
3.We could put up signs. 我们可以张贴标志牌。
重点短语：
动词+副词 短语:
cheer up 使高兴起来
clean up 打扫干净
put up 张贴
mix up 修理
give away 赠送
give out 分发
give up 放弃
use up用光
get up 起床
hand in 上 put off 推迟
pick up 捡起
think over 仔细思考
turn down 关小音量
set up 建立
set off 出发
look out 小心
动词+介词 短语:
look after 照顾
belong to 属于
take after 与....相像
hear from 收到.....来信
hear of 听说
pay for 支付
wait for 等待
动词+副词+介词 短语:
get out of 避免
come up with 想出
catch up with 追上赶上
look forward to 期待盼望
go on with 继续
动词+名词 短语:
have a rest 休息一下
take a walk 散步
make mistakes 犯错
have a try 试一下
take place 发生 tell a lie 撒谎
make a decision 做决定
动词+名词+介词 短语:
have a look at 看一看
make a friend with 与.....交朋友
have a word with 与....交谈
have a drink of 喝一点
pay attention to 注意
make fun of 取笑
Be+形容词+介词 短语:
be late for 迟到
be angry with 生气
be fond of 喜欢
be good at 擅长
be good for 对...有好处
be short of 缺乏 be similiar to 与......相似
be strict with 对......严格要求
be pound of 骄傲 自豪
语法点：动词不定式归纳
只跟动词不定式做宾语的动词
决心学会有希望
( decide,learn,wish,hope)
同意计划莫假装
(agree,plan,pretend)
忘记拒绝会失望
(forget,refuse,fail)
准备设法来帮忙
(prepare,try,manage,help)
提供请求负担起
(offer,beg,afford)
记得阻止理应当
(remember stop,be supposed)
人教版八年级下册英语知识点3
Unit3 Could you please clean your room?
短语归纳
1.do the dishes 洗餐具
2.take out the trash 倒垃圾
3.go out 外出
4.stay out 呆在外面;不在家
5.help out 帮助做完某事
6.at least 至少
7.throw down扔下
8.all the time 一直;反复
9.in surprise 惊讶地
10.as soon as 一......就......
11.spend......on......在......花费(时间、金钱、精力)
12. in order to 为了
13.provide sth for sb 向某人提供某物
14.depend on 依赖;信赖
15.look after 照顾;照看
16.keep it clean and tidy 保持干净整洁
17.get into 进入
18.take care of 照顾
19.as a result 结果
用法归纳
1.finish doing sth 做完某事
2.want sb to do sth 想要某人做某事
3.try (not) to do sth 尽力(不)做某事
4.let sb do sth 让某人做某事
5.spend......(in) doing sth 花费......做某事
6.mind doing sth 介意做某事
7.learn to do sth 学习做某事
8.learn how to do sth 学习怎样做某事
9.The +比较级，the+比较级 越......，就越.....
语法点
情态动词could 的用法
表示请求与准许，could 委婉有礼貌;
表示能力会不会，could只把过去表
表示怀疑不相信，could缓和情绪弱
推测可能用could, 虚拟语气也常用
人教版八年级下册英语知识点4
Unit 4 why don’t you talk to your parents?
短语归纳
1.too much太多(修饰不可数名词)
2.hang out 闲逛
3.too many 太多(修饰可数名词复数)
4.get into a fight 争吵
5.call sb up 给某人打电话
6.talk about 谈论
7.look through 浏览
8.give back 归还
9.be angry with sb 生某人的气
10.a big deal 重要的事情
11.work out 解决;算出
12.get on with sb 与某人和睦相处
13.communicate with sb 与某人交流
14.be worried about 担心.....
15.be afraid of 害怕.....
16.in front of在...前面
17.not... any more 不再...
18.so much/many 那么多
19.compete with sb 与某人竞争
20.cut out删除;删去
21.all kinds of 各种各样
22.compare....with.....比较;对比
23.in one’s opinion 依...看
24.turn down 调小
用法归纳
1.allow sb to do sth 允许某人做某事
2.why don’t you do sth?为什么不做某事呢?
3.why not do sth ?为什么不做某事呢?
4.find sb doing sth 发现某人在做某事
5.tell sb to do sth 告诉某人做某事
6.refuse to do sth 拒绝做某事
7.let sb do sth 让某人做某事
8.offer to do sth 主动提供做某事
9.not....until....直到....才...
10.it’s time to do sth 该做某事了
11.it +adj+to do sth 做某事是.....的
12.keep on doing sth 继续做某事
13.what do you think of...?你认为....怎么样?
语法点
1.Why don’t you+V.......?等提出建议的句型及常用的答语
2.连词until,so that 以及although 引导的状语从句
人教版八年级下册英语知识点5
Unit5 what were you doing when the rainstorm came?
短语归纳
1.wait for 等待 2.look for 寻找
3.go off (闹铃)发出声音
4.take a shower 洗澡
5.pick up 接电话;捡起
6.make sure 确信;务必
7.have fun 玩的开心
8.fall asleep入睡;睡觉
9.die down 逐渐变弱;逐渐消失
10.wake up 醒来;叫醒
11.in a mess 乱七八糟 !
12.in time of difficulty 在困难时期
13.take photos 照相!
14.turn on 打开
15.make one’s way 行走;前行
16.in silence 沉默地;无声地
17.take down摧毁;拆卸;记下 !
18.tell the truth 说实话
19.point out 指出
20.go away 消失
21.as well 也
21.call out 喊出
用法归纳
1.be busy doing sth/be busy with sth 忙于(做)某事
2.see sb /sth doing sth 看见某人或某物正在做某事
3.begin/start to do sth 开始做某事
4.try to do sth 努力去做某事
5.have trouble(in)doing sth做某事又困难
语法点
过去进行时：
过去进行最好记，was/were+doing
特定时间有暗示，过去某刻某时段
肯定主语在句首，一般问句Be提前
否定句式更简单，Be后只把not添
人教版八年级下册英语知识点总结