.新版八年级英语下册第四单元知识点归纳Unit 4 Why dont you talk to your parents?Why dont you talk to your parents? 你为什么不和你打父母谈谈呢？【解析】Why dont you do sth ?= Why not do sth? 为什么不.呢？【拓展】用于提建议的句型有：(1)What about doing sth ?=How about doing sth? .怎么样？(2)Why dont you do sth?= Why not do sth? 为什么不呢？(3)Lets 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./ Thats good idea. 好主意OK/ All right./ Great 好/ 行/太好了 Yes, please ./ Id 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 dont think so 我认为不是这样Sorry, I cant 对不起，我不能Id love to, but Im afraid我愿意，但恐怕I have to study too much so I dont get enough sleep. 我要学的太多，因此我睡眠不足。【解析1】(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【解析2】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）My parents dont allow me to hang out with my friends. 我的父母不允许我和我的朋友们出去闲逛。【解析】allow sb. to do sth 允许某人做某事【拓展】allow v 允许allow doing sth 允许做某事 They dont allow smoking.allow sb. to do sth 允许某人做某事My mother allows me to watch TV.be allowed to do sth 被允许做某事We dont allow _(smoke) in the reading room.Our teacher allows us _(go) out for a walk.The boy should be allowed_(play) after supper.We wont allow _in the cinema .But you are allowed _in the rest room.(smoke)Teenagers should _ (allow) to choose their own clothes.【拓展】allow与let的辨析：allow指“允许”，表示“默许，听任，不加阻止”，allow sb to do sth允许某人做某事。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。4. Whats wrong? 怎么啦？【解析】Whats wrong( with sb./ sth) （某人/物） 怎么了？Im really tried because I studied until midnight last night. 我真的很累，因为我昨天晚上一直学习到半夜。【解析】until 直到.时Why dont you go to sleep earlier this evening?今天晚上你为什么不早点睡觉呢？【解析】go to sleep 去睡觉 (强调“入睡，睡着”这一动作）7. You look sad, Kim. 金，你看起来很伤心。【解析】look 看起来 （系动词，后跟形容词作宾语）【拓展】：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）( )Jack usually gets _ when he speaks in public. A. happily B. exciting C. worried D. tired( ) Toms father looks very _. But he is very kind. A. seriously B. serious C. friendlyYou _ call him up. 你_ 给他打电话。【解析】call up (v + adv) call on 拜访；号召 I call up my parents every Sunday.9.Well, I found my sister looking through my things yesterday. 哦，昨天我发现我妹妹翻了我的东西。【解析1】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【解析2】look through 浏览【拓展】与look相关的短语：look for look after=take care of look like look the same look over look throughlook out look up look around look forward to10. Yes, but Im still angry with her. 是的，但是我仍然很生她的气。【解析】be angry with sb. 生某人的气【拓展】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【记】 My father was very _(对生气)his computer. He hit the computer _(angry)( ) Why are you unhappy, Kate? I didnt finish my homework again. Im afraid Miss Gao will be _ me. A. angry with B. friendly to C. proud of( ) I was very angry _ myself _ making such as a stupid mistakes. A. at; at B. with; for C. at; with D. with; at11.Although shes wrong, Its not a big deal. 尽管她错了，但也不是什么大错。【解析1】although= though 尽管 , 用来引导让步状语从句。【注】though / although 不能与but连用【拓展】although/however辨析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。 however adv，在句中作插入语，起一个连词的作用，一般用逗号与句子分开，可以放在句首或句中，意为“然而，尽管如此”。Its 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。【解析2】Its not a big deal. 没什么大不了；不是什么大事（常用于口语中）You left your homework at home. 你把作业忘在家里了。【解析】leave v 遗忘，留下 leave sth . somewhere把某物忘在某地 leave sb. by oneself 把某人单独留下12. Hope things work out. 希望事情顺利解决。【解析1】hope v 希望hope to do sth I hope to visit Guilin. hope + that 从句 （表示希望） I hope that youll be better soonwish 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.【解析2】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。13.My problem is I cant get on with my favorite. 我的问题是我不能喝我的家人和睦相处。【解析】get on with sb. 和某人和睦相处；和某人关系良好 =get along with get on well/ badly with 相处的好/坏14.When they argue, its like a big, black