发布时间 : 星期四 文章新版八年级英语下册第三单元知识点归纳更新完毕开始阅读f74f481611661ed9ad51f01dc281e53a580251d0
新版八年级英语下册第三单元知识点归纳
Unit3 Could you please clean your room?
一、Peter ,could you please take out the rubbish? 彼得，你能把垃圾倒了吗？ ----sure,mom.
Could you please do sth ?请你（做）......好吗？ 用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。
Could 不是can的过去式，是委婉、礼貌的说法。回答用can.
【常用答语】肯定回答：Sure./ Of course./ Certainly./No problem. 否定回答： Sorry , I can’t
2、take out 取出（v+ adv）
【注】: 跟代词做宾语，代词放中间；跟名词做宾语，可放在中间，也可放在后边 take 有关的短语:
take out 带出去,取出
Please take out a piece of paper.请拿出一张纸。 Please take it out.请把它拿出来。 take ...out “把??带出去”
My father is taking me out to go for a drive.我爸爸要带我出去开车。 (1)take off 脱下；（飞机）起飞
----Please take off your coat（外套）, It’s warm here. ---The plane took off at 9:00 am.
【短语】take out the trash/rubbish 倒垃圾 take away 拿走，取走
take back 收回 take place 发生 take off 脱下； 起飞
（2）take ?to ?把...带到... (3)take sb. for a walk 带某人去散步 take a walk 散步 （4）take exercise 运动，锻炼（5）take one’s time 不用急，慢慢来 （6）take a bus(ship/train)乘坐公共汽车（7）take turns 轮流，替换 （8）It takes sb. some time to do sth. 做某事花费某人多长时间 3. Can you do the dishes.？那你可以洗盘子吗？ do the dishes 洗碗
【结构1】do the +名词： do the dishes/ laundry 洗餐具/衣服 【结构2】do the +动词-ing do the cleaning 打扫卫生
【结构3】do one’s + 名词 do one’s housework/ homework 做家务/家庭作业 【结构4】do some +动词-ing do some reading/ shopping 读写书/购物 4.could you please help out with a few things?
help out动词短语，表示在某人繁忙或 遇到困难时“给予帮助”。 help和out之间还可以加入具体的“人”。
e.g. He helped me out with my task.他帮我完成了任务。
They helped (us) out with the clean-up.他们帮助我们做大扫除。
5.Because Mom will back from shopping any minute now .因为妈妈马上回来购物。
6.any minute now 一种常见的口语表达法，相当于“随时；马上；在任何时刻”的意思， e.g. Don’t worry, he will come here any minute now.别担心, 他会马上来这儿。 7.Could I at least finish watching this show? 至少让我看完这个节目可以吗？ 1】Could I do sth? 我可以做......吗？
1
用于表达请求，语气比较委婉。 Could I go out with my classmate this weekend? 2】at least 至少，多指数量或程度上的最低限度。(反) at most 至多 3】finish v 结束；完成 finish doing sth 做完某事
eg— Can you finish reading these books before 10 o'clock? — Yes, I can.
5、I think two hours of TV is enough for you! 我觉得你看两个小时的电视已经足够了。 1】two hours of TV 表示时间、距离、金额、度量等词语作主语时，通常被视作整体，谓语动词用单数形式。
How time is flies! Three yearsisreally a short time.时光飞逝！三年真的是短暂的时光。 【解析1】enough 足够的，充分的（在句中作定语或表语） I don’t have enough money with me.我没有足够的钱。 【解析2】足够；充分（放在形容词；副词后）
The river is deep enough for swimming. 这条河够深，可以游泳。
【记】 Mr. Smith has enough money ,but he isn’t kind enough to help others.史米斯先生有足够的钱，但他不够好心帮助别人
【注意】enough 修饰名词时，置于名词前；修饰形容词时，置于形容词之后。 6、Could you take out the rubbish,fold the clothes and do the dishes? 你能把垃圾倒了。把衣服叠好，再把碗洗了吗？ 【解析】take out 拿出；取出 take 的用法：
Please take some books to the classroom.请带一些书到教室去。 Take this medicine three times a day.这药一天服三次。 They usually take the bus to work.他们通常乘公共汽车去上班。
It takes me two hours to do my homework every day.我每天花两个小时做作业。 短语 take a rest 休息 take care of 照顾 take off 脱下；起飞 take up 占据 take down 拿下 take one’s time 不急；慢慢来 take one’s temperature 量体温 7. The minute I sat down in front of the TV, my mom came over . 我刚坐在电视机前面，我妈妈就过来了。
【解析1】the minute = as soon as “一...... 就......” Please write to me the minute you get there. 【解析2】 in front of指在物体外部的前面
There is a bike in front of the classroom.教室前面有一辆自行车。 指在物体内部的前面
Our teacher is standing in the front of the classroom 我们的老师正站在教室的前面 【记】 The driver sat _in the front of_ the car. The policeman stood ___in front of_ the car. 【注意】有the无the区别大：
at table 吃饭；进餐 in hospital 住院
at the tabel 在桌边 in the hospital 在医院（不一定看病） 【解析3】come over 过来 【拓展】 come 短语：
come across（偶然）发现 come back 回来 come up with想出 come true实现 come down下来 come from=be from来自,出生于 come in/into进入,进来 come on赶快,加油 come along走吧,过来,快点
2
come and go来来去去 come up上来 come out出来，(花)开，(照片)冲洗出来 7. You watch TV all the time and never help out around the house! 你总是看电视，从不帮忙做家务！
all the time = always 一直；总是
8. I’m just as tired as you are! 我和你一样累！ 【解析】as...as ... 和......一样...... 9. For one week , she did not do any housework and neither did I. 一周的时间，她不做任何家务，我也不做。
【解析】neither +助动词/系动词/情态动词 +主语 “某人（主语） 也不” ⑴ neither两者都不
neither …nor… 既不…也不…,连接两个词做主语，谓语动词由后一个主语确定 Neither Tom nor Jim is a student
⑵ 表达“…也不……” 则用 “Neither /Nor + be / V助 / V情 + 主”
—The first one wasn’t bad. — Neither was the second. 第一个并不坏。-第二个也不是。 10. The next day , my mom came home from work to find the house clean and tidy. 第二天，妈妈下班回到家后发现房间很干净、整洁。 【解析】find +宾语+宾语补足语 【注】find → found →found v寻找 (1) find sb. doing sth 发现某人做某事 (2) find it + adj. + to do sth 发现做某事很……
◆find it difficult/ hard to do sth 发现做某事很困难 She found _it__ hard to finish the work by herself.她发现自己很难完成这项工作。 11. She asked in surprise.她吃惊地问道。 【解析】in surprise 惊奇地；吃惊地
surprise v 使吃惊→surprising adj. 令人吃惊的 →surprised adj. 吃惊的
to one’s surprise 使某人吃惊的是 in surprise 吃惊地 be surprised at 对……感到吃惊 To my surprise_(使我吃惊的是），he got the first prize in the exam.
12. “ I’m so sorry, Mom. I finish understand that we need to share the housework to have a clean and comfortable home.” I replied.
“对不起，妈妈。我终于理解为了拥有一个干净、舒适的家我们需要共同来分担家务。” 我回答说。
【解析1】need v 需要 用于肯定句，是实义动词。
(1)人做主语，sb. need to do sth 某人需要做某事 (2)物做主语，sth need doing sth= sth need to be done
①Students need ___to have_(have) a good rest in studying. ②The watch needs__mending___(mend).手表需要修。 用于否定句或疑问句，是情态动词 (1)needn’t = don’t have to 没有必要
(2)need ,must 引导的一般疑问句，肯定会的用must,否定回答用needn’t — Must I go there now? — Yes，you must/No, you needn’t
【解析2】share 分享；共用 share sth 分享或共用某物 share sth with sb. 与某人分享某物
3
(All his friends __Shared___ his happiness when he won the match.
13.Could I hang out with my friends after the movie? 看完电影后我能和朋友们一起闲逛吗？
【解析】hang out 闲逛 hang up 把......悬挂/挂起 14. Could you please pass me the salt?你能把盐递给我吗？
【解析】pass ⑴v 给；递；走过；通过 pass sb.sth 把某物递给某 Pass on 传递 Please pass the paper on to the other students. ⑵ v 通过；路过 I pass your home.
⑶ v 通过（考试） ；及格 Tom can pass his math exam. 15. Could I borrow that book?我能借下你那本书看吗、 Could you lend me some money?你能借我一些钱吗？ 【解析】borrow /lend/keep
(1)borrow 借入 ,与from 连用，尤指主语“【借进来”】
borrow sth from sb. 从某人那里借某物 You can borrow the book from the library. (2)lend 借出 ,与to 搭配 【指借出去】
lend sb sth=lend sth to sb 把某物借给某人He doesn’t want to lend his book to others. (3)keep 保留，保存（延续动词，可以与表示一段时间的状语连用）【指借一段时间】 【记】 I want to _borrow__ a bike from my friend but he didn’t _lend___ it to me, because Tom had _kept____ it for two days. 16. I cut my finger and I’m trying not to get it wet. 我的手指割伤了，伤口不能弄湿。
【解析】try (not) to do sth努力（不）做某事。 try v 试图，设法，努力 【拓展】 (1)try on 试穿
(2) try to do sth 努力做某事 【侧重尽力做】 (3) try doing sth 试图做某事 【侧重尝试做】
(4)try one’s best to do sth= do one’s best to do sth 尽某人最大努力做某事 17. I hate to do chores. 我讨厌做家务。
hate to do sth 讨厌做某事, 表示某次具体行为或动作。 I hate to trouble him.我讨厌麻烦他 hate doing sth不愿意做某事 表示经常或习惯性行为或动作。 She hates smoking in her room. 她讨厌在房间里抽烟。
18.Could I ask you to help me with some chores then? 那我能请求你帮我做些杂活吗？
【解析】ask sb. to do sth 要求某人做某事。 ask for 请求，要某物
ask sb. about sth 向某人询问关于某事 (1)ask sb. for help 向某人请求帮助 (2) ask sb. (not) to do sth请求某人做某事 ask构成的短语： 短语 含义
ask sb. to do sth 请某人做某事 ask sb. not to do sth 不让某人做某事
4