人教版初中英语八年级下册UNIT4知识点精析.docx

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1、人教版初中英语八年级下册UNIT4知识点精析Why dont you talk to your parents?你为什么不和你的父母谈谈呢？重点掌握提建议的句型及其常用答语掌握本单元重点单词、短语及句型难点until, so that, although 及的用法.语法1. Why dont you.?等提建议的句型及其常用答语until,so that 及 although 的用法Section A重点单词allow允许wrong有毛病guess猜测deal协议；交易relation关系;联系communication 交流;沟通argue争吵instead代替；反而解析：if意为如果,是否

2、 ；unless意为除非，如果不 ；although 意为虽然，尽管。结合句意这个女孩儿仅仅6岁，她知道300多首中 国古诗可知，应用although引导让步状语从句。选Co要点精析2ItS not a big deal意为没什么大不了 ；不是什么大事，常用于口语中。a big deal 是口语中。a big deal 是定搭配，意为重要的事例:Change the meeting time.Its not big deal.改一下会议时间吧。这没什么大不了的。8. My problem is that cant get on with my family.我的问题是我不能和我的家人和睦相处。

3、要点精析get on with sb.意为“和某人和睦相处；和某人关系好“，同义短语 为 get along with sb.例:They dont get on with each other.他们彼此关系不好。知识拓展get on with sth.(= get along with sth.)意为在方面取得进展例：1m not getting on very fast with this work.我这项工作进展 不是很快。9. When they argue, its like a big, black cloud hangingover our home.当他们争吵时，就像一大块乌云

4、笼罩在我们家上方。要点精析argue此处用作不及物动词，意为争吵；争论二名词形式为argument,意为“争论。定短语：argue with sb.与某人争论”;argue about sth.“就某事争论例:The boy argued with his mother about his homework.那个男孩儿因为家庭作业与他妈妈争吵起来。Dont argue about this matter any more.不要再为这件事争论了。10. Instead he watches whatever he wants until late atnight.相反，他看他想看的任何节目直到深

5、夜。要点精析instead作副词，意为“代替；反而；却”，修饰整个句子作状语。例:Jack was ill,so I went instead.杰克病了 ,因此换了我去。链接中考（江苏徐州中考）Weve got no coffee. Lets have teaz.A. either B. however C. yet D. instead解析：either也，用于否定句；however然而，表转折关系；yet还，尚,常用于现在完成时的疑问句或否定中；instead代替。句意: 我们没有咖啡。咱们喝茶代替吧。选D。11. If your parents are having problems,

6、you should offer to help.如果你的父母有问题，你应该主动提供帮助。要点精析offer意为“主动提出；自愿给予；提供二offer to do sth.意为主动提出做某事。例：She offered to teach me French.她主动提出教我法语。辨析：offer 与 provideoffer 一般指主动提供，其用法为:offer sb.sth. = offer sth.to sb.provide为做好准备而“提供；供应“，其用法为：provide sb.with sth二provide sth. for sb.例:They offered me several

7、tickets.二They offered several tickets to me.他们给了我几张票。The school provided food for the students.二The school provided the students with food.学校为学生们提供伙食。链接中考（甘肃兰州中考）Parents oftentheir childrensome good advice.A. offer; with B. offer;/ C. provide; with D. both and C解析：offer sb. sth./offer sth.to sb./pro

8、vide sb. with sth./provide sth. for sb.都可以表示提供给某人某物，故选Do12. You should explain that you dont mind him watching TV all the time.你应该向他说明你并不介意他总是看电视。要点精析explain此处用作及物动词，意为“解释；说明二例:I dont want to explain anything.我不想解释任何事情。He explained that he was too busy.他解释说他太忙了。知识拓展explain sth.to sb.向某人解释某事/物，没有expl

9、ain sb. sth.这 一结构！例：Please explain this rule to me.请给我解释一下这条规则。13. My cousin borrows my things without returning them.我表弟借我的东西不还。要点精析return 动词，意为归还，相当于 giveback。return sth.to sb. “把某物还给某人“。例：Im going to return this book to the library.我要去把这本书 还给图书馆。Please return my money to me as soon as possible. 请

10、尽快把钱还给我。14. You left your homework at home.你把家庭作业忘在家里 To要点精析此处leave(left, left)用作及物动词,意为“遗留；未拿或未带 在汉语中常说忘记”。例:I left my bag on the bus.我把包忘在公共汽车上了。辨析：leave 与 forgetleave”遗留；落下指把某物忘在某地，其后接地点状语 forget“忘记指由于记忆上的忽略而忘记了某人或某事，后面不可接地点状语例：She left her keys in the room.她把钥匙忘在房间里了。I forgot her address.我忘了她的地址

11、。【歌诀巧记】忘记某物真特殊，后有地状用leave。（地状表示地点状语）链接中考（湖北襄阳中考）-Show me your homework, Dave?-Sorry. Mrs. Brown. Ive it at home.A. missed B. forgotten C .lost D. left解析:miss想念;forget忘记;lose丢失;leave忘在.（地方） 0forget 的用法是：forget to do sth.忘记做某事，forget doing sth. 忘记做过某事；leave作忘记讲时多指把某物忘在某地。句意：给我 看看你的家庭作业好吗，戴夫？对不起，布朗老师，我

12、把家庭作业忘 在家里了。结合语境可知选D。15. You are afraid of speaking in front of people.你害怕在人 们面前说话。要点精析afraid形容词，意为“害怕的。例:Dont be afraid.不要怕。知识拓展afraid的用法: be afraid of sb./sth.害怕某人或某物 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 d。sth.不敢或害怕做某事，侧重主语不敢做某事” be afraid +that从句恐怕，多用于客气地提出个人意见或看法例：She is af

13、raid of going out alone at night.她害怕晚上独自出去。Im afraid its going to rain.恐怕要下雨了。whatever 任何nervous焦虑的offer主动提出explain解释；说明clear清楚易懂的;晴朗的copy抄袭；复制return归还重点短语look through快速查看;浏览big deal重要的事work out成功地发展；解决get on with和睦相处重点句型1.1 have too much homework so I dont have any free time to do things I like.我有太

14、多的家庭作业，所以我没有空闲时间做我喜欢的 事。2. My parents dont allow me to hang out with my friends.我父母不允许我和我的朋友们一起闲逛。3. Well, I found my sister looking through my things yesterday.哦，昨天我发现我妹妹在翻看我的东西。4. My problem is that cant get on with my family.我的问题是我不能和我的家人和睦相处。5. If your parents are having problems, you should off

15、er to help.如果你的父母有问题，你应该主动提供帮助。6. You are afraid of speaking in front of people.你害怕在人们面前说话。Section B重点单词skill技艺member成员push鞭策pressure 压力continue 持续cause弓|起usual通常的compete 竞争compare 比较重点短语cut out删除；删去compare.with 比较；对比in ones opinion 依看重点句型1. These days, Chinese children are sometimes busier on weeke

16、nds than weekdays because they have to take so many after-school classes.如今，中国的孩子有时周末比上学日更忙，因为他们不得不上那么 多的课外辅导班。2. Maybe could cut out few of their activities.或许我可以减掉他 们的几个活动。3. People shouldnt push their kids so hard.人们不应该把自己 的孩子逼得太紧。4. You could tell him to turn down the TV.你可以告诉他把电视 音量调小一点儿。Sectio

17、n A知识点精析1.1 have too much homework so I dont have any free time to do things like.我有太多的家庭作业，所以我没有空闲时间做我喜欢 的事。要点精析1此处to do things like为动词不定式短语作后置定语，修饰名词 timeo例：Would you like something to eat?你想要吃点几什么吗?Kids have lots of homework to do every day.孩子们每天有很多家庭作业要做。要点精析2此处like为省略了关系代词that或which的定语从句，修饰先行 词

18、 thingso例：This is the musician that I like.这是我喜欢的音乐家。The show which I like is over.我喜欢的节目结束了。2. My parents dont allow me to hang out with my friends. 我父母不允许我和我的朋友们一起闲逛。要点精析1allow sb.to do sth.意为“允许某人做某事、例:My parents wouldnt allow me to go to the party.我父母不会允许我去参加聚会。Parents should allow their childre

19、n to do things that they like. 父母应该允许孩子们做他们喜欢的事。知识拓展allow sth.允许某事二例：The law doesnt allow such an action.法律不允许这样的行 为。I dont think he would allow it.我认为他不会允许这件事。allow doing sth.“允许做某事”例:We dont allow smoking in our house.在我们家不允许抽烟。要点精析2此处hang out意为“闲逛；溜达“，hang的过去式为hung。例:He often hangs out with his f

20、riends.他经常和朋友们一起闲逛。I just hang out and relax myself.我只是溜达一下，放松自己。3. Im really tired because I studied until midnight lastnight.我真的很累，因为我昨晚学习到半夜。要点精析此处until为介词，意为直到此处until为介词，意为直到为止同义词为till。例:He continued working up until his death.他一直工彳乍至I去世。知识拓展until作连词，意为直到until作连词，意为直到为止引导时间状语从句，主句谓语动词用延续性动词。例:I

21、will stay with you until your mother comes back.我会和你待在一起，直到你妈妈回来。They worked in the field until it got dark.他们在田里干活儿直到天黑。notuntil意为直至才，主句谓语用非延续性动词。例:I wont go to sleep until the match is over.直到比赛结束,我才会睡觉。4. Why dont you go to sleep earlier this evening?为什么你今晚不早点儿去睡觉呢？要点精析1Why dont you do sth.?意为你为什

22、么不做某事呢？，常用来向 对方提出建议，相当于 Why not do sth.?常用肯定答语有Good idea./AII right./Sure等;否定答语有 NofI dont think so./SorryfI cant等。例:-Why dont you go shopping with us?你为什么不和我们一起去购物呢？-Good idea.好主意。要点精析2go to sleep意为“去睡觉；入睡、例:Dont go to sleep too late.不要太晚睡觉。辨析：go to sleep,go to bed 与 sleepgo to sleep“去睡觉：入睡”，强调动作go

23、 to bed去睡觉”，表示上床睡觉这个动作，与get up相对sleep”睡觉，强调睡的全过程，为延续性动词5.rm not good at writing letters.我不擅长写信。要点精析be good at意为“擅长；在.（方面）做得好”，后面接名词、代 词或动名词。其同义短语为do well ino例：He is good at math.二He does well in math.他擅长数学。到卒析:be good at, be good forf be good at 与 be good withbe good at擅长在be good at擅长在（方面）做得好，后面接表示事

24、物的名词.代词或动名词be good for对有益，后面接表示人或物的名词或代词be good t。对好/和善”，后面常接表示人的名词或代词be good with”善于应付的”，后面常接表示人的名词或代词例:He is good at drawing.他擅长画画。Vegetables are good for us.蔬菜对我们有好处。She is very good to her classmates.她对她的同学很和善。She is very good with the children.她管理孩子有一套。6. Wellf I found my sister looking through

25、 my thingsyesterday.哦，昨天我发现我妹妹在翻看我的东西。要点精析1find sb. doing sth.意为发现某人正在做某事 ,doing sth.作宾语补足语，表示动作正在进行。例:I found him playing computer games when I got home.当我到家时，我发现他正在玩电脑游戏。知识拓展find sb.do sth.意为发现某人做过某事“，强调动作的全过程。有类似用法的动词还有：notice, hear, see等。要点精析2look through意为浏览；快速查看、例:Its good habit to look throug

26、h news-papers every day.每天浏览报纸是个好习惯。链接中考（湖W匕宜昌中考）-Would you please the paper for me and see if there are any obvious（明显的）mistakes?-Of course I will.A. look aroundB. look through C. look up D. look into解析:look around环顾；look through浏览;look up向上看, 查阅tlook into调查。句意：请你替我浏览一下试卷，看看是否有明 显的错误好吗？当然，我会的。故选BoA

27、lthough shes wrongf its not a big deal.尽管她不对，但也没什么大不了的。要点精析1although连词，意为“虽然；尽管引导让步状语从句。例:They had to work outside, although it was cold.虽然天气很冷，但是他们还得在外面工作。小贴士在同一个句子中如果用了 although或though,就不能再用but, 但可以用yet或still.链接中考（海南中考）the girl is only six years old, she knows more than300 ancient Chinese poems.A. If B. Unless C. Although