(完整版)新版八年级英语下册第三单元知识点归纳

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？

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 years is really 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