八年级英语下册unit_3-4
- 格式：doc
- 大小：61.00 KB
- 文档页数：18
1
八年级英语下册unit
3-4知识点
Unit3.
1、could的用法
1）本单元的语法主要涉及用来表示请求常交际用语
例句：Could you please do sth„?
Could I please do sth„?
2)could并非表示过去，只是语气上比can更委婉
例句：Limei, could you please help me?
Could I please come in?
3)对于请求肯定回答常用语
例句：Certainly /of course/with
pleasure/no problem/yes, sure
4)否定回答时常用语：
No, can’t/certainly not/no, I’m afraid
I can’t.
2、do the dishes do a survey do
Chinese Gongfu do one's homework
do some housework do some reading
3、borrow和lend都有借的意思,但两者有2
不同:
borrow借入 borrow sth. from sb.
lend 借出 lend sth to sb ， lend sb
sth
例句：Could you lend your bike to me?你能把自行车借给我吗?
Sorry, I can't. You can borrow a bike
from our teacher.对不起我不能。你可以向老师借一辆。
4、take out取出，拔出，除掉；
例句：Please take out a piece of
paper.
Please take it out.请把它取出。
掌握take有关短语：
take off脱下；（飞机）起飞 take
away拿走，取走
take ...to...把...带到...去
take exercises运动、锻炼
take a bus（ship／train）乘公共汽车（轮船／火车„„）
take turns轮流、替换
It takes sb. time／money to do sth.某人3
花时间（金钱）做某事
6、flo o r n. 地面，地板，指室内的地面,ground是指室外的地面
例 如 ：sw ee p the flo o r 扫地板
sweep the gr o u n d 扫地（室外）
7、 the living room居住室
the sitting room起居室
the reading room阅览室
the waiting room候车室／候诊室
8、辨析look at，watch，look与see
1）watch指欣赏娱乐活动，欣赏比赛等场面时。
如watch TV看电视，watch the football
match看足球赛
2）look指有意识地看，不强调看的结果。若后面需要跟动词宾语，则用at，再跟宾语。
例句：Please look at the blackboard.请看黑板。
Look! What's this?看!这是什么?
3）s e e强调看的结果。不管有意识还是无意识地看，都用see。
例句：I saw Li Lei in the park yesterday。4
昨天我在公园里看见李磊了。
4）另外，see还有“看望”的意思。例句：I'm going to see my uncle next week.
下周我要去看望叔叔。
5）see sb.do sth.看见某人干某事
see sb.doing sth.看见某人在干某事
9、hate doing sth. 讨厌做某事 例句：I hate doing the dishes.
hate及物动词,表示憎恨、憎恶。
常用句型有：hate sth
hate to do sth (表示特定的动作)
hate doing sth (多用来表示经常性的动作)
例句：He hates to sweep the floor today.
10、take him for a walk 带它去散步
类似的短语:go(out) for a walk去散步
go for a picnic去野炊
go for a drive开车兜风
take a walk = take walks散步
11、afford vt. 给予，提供；买5 得起
1)afford常与情态动词can , can’t ,
could , couldn’t连用
2)afford后面接名词或代词不定时。
3)同义句：
can’t afford to do sth = sb don’t
/doesn’t have enough money to do sth .
没有财力承担/负担不起
练习：The book is very expensive ,I
can’t afford to buy it .
= I don’t have _____ _____ to
buy it .
12、listen to /hear /sound
1)listen to „仔细倾听强调听的过程
2)hear „听到、听见强调听的结果
3)sound „.系动词“听起来„„.”后面接形容词而sound like +名词
练习：I _______ her but could ______
nothing .
It ______ interesting .
13、into/ in的区别： 6
1.into表示“到„„里面去”，进入到„„某空间里。属于动态介词。
2.in表示“在„„里面”，在某一空间或范围之内。属于静态介词。
练习：There is nothing _____ the
blender .
He put his books ______his
backpack and left.
14、sweep the floor清扫地板
stay out late晚归
make one`s bed铺床 fold
one`s clothes叠衣服
take out the trash倒垃圾
Unit4.
1、 Why don’t you talk to your parents? 你为什么不和你打父母谈谈呢？
【解析】Why don't 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 doi7
ng 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 8
◆ 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„„
【2013天津4】
35.— Why not go to Lao She Teahouse tonight? — ______.
A. It doesn't matter. B. Thank you.
C. Sorry to hear that. D. Sounds great.
【2013广东广州4】25.—I feel really tired. —______
A. Lucky you! B. You’d better work harder. 9
C. Congratulations! D. Why not go and have a rest?
【2013四川凉山3】37. —It’s a nice day, isn’t it?
—Yes. ______ going hiking and relax ourselves?
A. Why not B. Why don’t C. What about
【2013湖南益阳】
You look too tired. Why not _____ a rest?
A. stop to have B. to stop having C. stop
having
2、 I have to study too much so I don’t get enough sleep.
【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
