发布时间 : 星期二 文章（word完整版）新版新目标英语八年级下册unit4知识点总结，推荐文档更新完毕开始阅读8f24bbf689d63186bceb19e8b8f67c1cfbd6ee44
Unit 4 Why don’t you talk to your parents?
Section A
1. Why don't you do sth. ?= Why not do sth.? 为什么不......呢？ 提建议的句型
(1) What about doing sth. ?=How about doing sth.? ….怎么样？ (2) Why don’t you do sth.?= Why not do sth.? 为什么不呢？ (3) Let’s do sth. 让我们一起做某事吧。 (4) Shall we/I do sth.? 我们做…好吗？
(5) had better do/not do sth. 最好做/不做某事
(6) Will/Would you please do sth. 请你做…好吗？ (7) Would you like to do sth.? 你想去做某事吗？ (8) Would you mind doing sth.？你介意做某事吗？ 【回答】
(1). 同意对方的建议时，一般用
Good idea. / That’s good idea. 好主意 OK/ All right. / Great. 好/ 行/太好了 Yes, please. / I’d love to. 是的/ 我愿意 I agree with you. 我同意你的看法 No problem. 没问题 Sure./ Of course./ Certainly. 当然可以 Yes, I think so. 对，我也这样想
(2).对对方的帮助或要求表示委婉谢绝时，一般用：
I don’t think so. 我认为不是这样 Sorry, I can’t. 对不起，我不能
I’d love to, but…我愿意，但恐怕…… I’m afraid… 恐怕……
2.(1)too many + 复数名词 许多 too many people (2)too much +不可数名词 许多 too much homework (3)much too +形容词 太… much too cold
3. so conj. 因此
(表示因果关系，后面跟表示结果的句子，不与because同时使用）
4.allow v. 允许；准许
(1) allow doing sth 允许做某事
We don’t allow smoking in our house. 我们不允许在家里抽烟。 (2)allow sb.（not）to do sth. (不)允许某人做某事
My parents don’t allow me to stay up late. 我父母不允许我熬夜。
Mr. Smith allowed Mike to drive there. 史密斯先生允许迈克开车去那里。 (3)be allowed to do sth. 被允许做某事 (4)allow与let的辨析：
allow指允许，表示默许，听任，不加阻止
let 指让，let sb. do sth.让某人做某事，语意较弱，多用于口语中，let不能用于被动语态。
5. What’s wrong( with sb../ sth.) （某人/物） 怎么了？
6.go to sleep 去睡觉 (强调“入睡，睡着”这一动作） fall asleep睡觉 (强调“入睡，睡着”这一状态）
7.look 看起来 （系动词，后跟形容词作宾语） 系动词：后跟adj. 作表语 一是：（be） am /is /are be quiet=keep quiet 保持安静
二保持：stay/keep （表示持续状态） stay healthy=keep healthy 保持健康 三变化：become/get/turn （表示状态变化） 五起来：sound/look/smell/taste/feel （表示感觉）
8. call up (v + adv) call on 拜访；号召
9. find sb.. doing sth. 发现某人正在做某事
Mr. Wang found Li Dong reading a storybook in the class. 类似动词：hear，watch, see, feel
10.look through 浏览 翻阅 仔细看
look for 寻找 look after=take care of照看 look like看起来像 look the same看起来一样 look over检查,复习 look through温习,检查 look out小心,从里向外看 look up向上看,查单词 look around环视 look forward to期望
11.angry adj. 生气的→ angrily adv. 生气地
(1)be angry with sb.. =be mad at sb.. 对某人生气【with后接人】 (2)be angry at/about sth.对某事感到生气 【at后接事】 (3)be angry to do sth. 做某事感到生气
My father was very __________(对……生气)his computer. He hit the computer _______(angry)
12.although= though 尽管 , 用来引导让步状语从句。 though / although 不能与but连用 although/however辨析
(1)although conj 虽然；即使；纵然，引导让步状语从句时放在主句前后都可。 Although he is very old, yet he is quite strong.他虽然年纪大了，但身体还很健壮。
(2) however adv 然而 尽管如此 插入语，起连词作用，一般用逗号与句子分开，可放在句首或句中 It’s raining hard, however, I think we should go out. 雨下的很大，尽管如此，我认为我们还应该出去。
13.big deal 表示重要的事情或状况，多用于非正式交流。
否定: It’s not a big deal=It’s no big deal. 没有什么了不起; 没什么大不了；不是什么大事（常用于口语中） It’s a big deal. 这事挺重要的。
What's the big deal? 有什么了不起的？ 14..hope v 希望
(1)hope to do sth. I hope to visit Guilin.
(2) hope + that 从句 （表示希望） I hope that you’ll be better soon (3)wish v 希望 wish to do sth. I wish to visit Guilin. wish sb..to do sth. 希望某人做某事 I wish you to go.
wish +that 从句 表示愿望，从句用虚拟语气 I wish I were you.
15. work out 解决；成功地发展，后跟fine,well, badly等词，表明产生的结果如何。 (1)计算出（答案、数量、价格等） The math problem is too difficult for me to work out (2)制定出（计划等）,设计出 I have worked out a new way of doing it. (3)解决；找出…的答案 The government has many problems to work out. (4)work for 为……做事，为……尽力，被……雇佣者
16. get on with sb. =get along with sb. 和某人和睦相处；和某人关系良好 get on well/ badly with 相处的好/坏 get on=get along 进展，进步
How are you getting on these days? 你近来生活如何？
17.argue v 争吵 →argument n 争论 have an argument with sb..与某人辩论 (1)argue with sb与某人争吵 argue with sb about /over sth. 为某事与某人争吵 (2)argue about sth. 争论某事
(3)argue against 争辩；反对 He argued against the plan
(4) argue for 为……辩护 The lawyer argues for the poor man.
18. hang over 挂在......之上； 悬浮在......之上
(1)hang out 闲逛；常去某处 He likes reading and he often hangs out in the bookshop. (2) hang on to 紧紧抓住 You’d better hang on to me in the crowd. (3) hang up 挂电话；悬挂 After she finished her conversation
19.elder/older elder adj.年纪较长的 His elder brother is ill.
(1)elder 表示兄弟姐妹及子女之间的长幼关系， 表示“前辈的”、“年纪较长的”，仅用于同一家庭成员的比 较;older则不限于此。
older泛指新旧、老幼或年龄的大小关系，是old的比较级形式。
My younger son is five and my elder son is nine。我的小儿子5岁，大儿子9岁。 Tom is two years older than I.汤姆比我年长两岁。
(2)elder在句中只用作定语，不作表语；older两者皆可。
My elder sister does her homework all by herself. 我的姐姐独自做作业。 His elder son got married last week. 他的长子是上星期结婚的。 I think his mother is older. 我认为他的母亲年龄大引起。 (3)elder只能用来指人；older既可修饰人，也可修饰物。
My elder brother joined the army when he was only fifteen.我哥年仅15就参了军。 This dog is older than any other dogs here.这条狗在这里是最老的一条。 I have a sister older than myself.我有位比我大的姐姐。
20.be nice to sb.. 对某人友好be friendly to sb.. be good to sb.. 21.refuse =say no to v拒绝 refuse to do sth.拒绝去做某事
22. instead 代替，反而，却
(1) instead adv 代替，句首或句尾, 表示前面的事情没做，而做了后面的事情。 Lee was ill so I went instead.李病了，所以我去了。 Instead he watches whatever he wants until late at night.
(2) instead of 代替 而不是，是介词短语 后接名词、代词、介词短语或动名词形式,放在句中 Instead of going to Qingdao I’m going to Dalian this year. 今年我打算去大连，而不去青岛。 She wrote to him instead of calling him. =She didn’t call him. She wrote to him instead. 她没有给他打电话，而是给他写了封信。
23. whatever pron. 任何；无论什么= no matter what
Whatever I suggest, he always disagrees. 无论我提什么建议，他都不同意。
(1) whatever作连接代词或连接副词引导让步状语从句，无论，不管 此时=no matter what,位置前后置都可。 (2)whatever还可引导名词性从句，同时起先行词和关系代词的作用=anything that或all that，有任何一切这 类意思。此时不能用no matter what替换。
(3)no matter+疑问词结构与疑问词+ever在用法上的区别
no matter+疑问词结构,只能引导让步状语从句=疑问词+ever 疑问词+ever 还可引导名词性从句
No matter where he may be （=Wherever he may be）, he will be happy.
(4) 时态 由no matter what/who/where/when…引导的从句往往用一般现在时或一般过去时。 No matter who you are, you must obey the rules. 无论你是谁，都应该遵守规则。
24. offer v. 主动提出；自愿给予 侧重主动或愿意给予，主动提出做某事 (1) offer to do sth. 主动提出做某事
(2)offer sb.. sth.= offer sth. to sb.. 主动提供给某人某物 She offered me a cup of tea. 她给我端了杯茶。
He offered to go instead of me. 他主动提出代替我去。
25.secondly adv.第二；其次
26.communicate v交流 沟通 communication n 交流；沟通
communicate with sb.. 和某人交流 They communicate with each other by QQ.
27. explain v 解释；说明 → explanation n 解释；说明 (1) explain sth. to sb.. 向某人解释某事。 (2) explain to sb. sth.给某人解释某事 (3) explain + that / what/ why 等从句
Can you explain what this means? 你能解释一下这个的意思吗？ Please explain it to me. 请你向我解释一下吧。
28. be worried about sth.. 担心某事
worry v 担心 → worried adj. 焦急的
worry about = be worried about 为……担心
29.return v
(1)归还=give back return ... to ... = give back to ... 把......还给...... (2)回来；返回 = come back
30. be afraid of sth/sb 害怕某人/某物
be afraid of doing sth 害怕做某事，侧重主语“担心、害怕”某事发生 be afraid to do sth 侧重于“不敢做某事”
be afraid that---从句 害怕，多用于客气地提出个人意见或看法
Section B
1. press v 按；压 →pressure压力
(1)不可数名词 （物理学）压力 air pressure 气压 blood pressure 血压
(2)不可数名词 还可指精神上、外界施加的压力 = stress under pressure 在压力下
2. compete v竞争；对抗 → competition n 竞争 (1)compete with sb. 和某人竞争 (2)compete against/ with 与……竞争 (3)compete for 为……参加比赛
We are ready for the coming ___________(compete).
3.improve =make ... better 改进 →improvement n 提高 4. opinion n 意见；想法；看法
(1)in one’s opinion 以某人的观点；在某人看来 (2)give opinions about sth. 给出关于某事的观点
5. some time /sometime/some times/sometimes
【口诀】分开是一段，合起是某时；分开s 是倍次，合起s是有时
(1) some time一段时间，做时间状语 It takes sb. some time to do sth. 做某事花费某人多长时间 (2) sometime adv 在某个时候，
(3) some times 名词词组，几次，几倍 Mr. Green went to Sanya some times last summer. (4)sometimes=at times 有时 （一般现在时的标志词）
6.others pron. 其他的人或事物
There are other ways of doing it. 做这事还有其他的办法。