八上Unit 4知识清单
语法
一、祈使句
1. 动词原形+宾语+…
2. Be +表语+…
3. 祈使句的否定是在动词前加 do not/ don’t
1). ________________exercising, and you’ll be healthier.
A. Keeping B. To keep C. Keep D. Keeps
2). ________________ get off the bus before it stops.
A. Don’t B. Doesn’t C. Didn’t D. Not
3). Please ________________ to return my book by Friday.
A. don’t forget B. not to forget C. not forget D. forget not to
二、should和had better“应该”或“最好”做某事。
语气:had better>should
1. should和 had better都接动词原形。
2. should 和had better 的否定形式分别为:
should not (shouldn’t), had better not
3. 肯定句变一般疑问句时, 分别把should或had提前至句首。
1).You should play baseball there.(改为否定句)
You ________________________________baseball there.
2).We should help people in trouble.(改为一般疑问句)
________________we________________people in trouble
3).He’d better drink more water than usual. (改为一般疑问句)
________________he________________ drink more water than usual
词法
1.scissors 剪刀(常用复数)
a pair of scissors 一把剪刀
类似:glasses 眼镜 trousers 裤子
shoes 鞋子 socks 袜子
2. instead和instead of
★instead是副词,“反而,却”,可位于句首,也可位于句尾。
★instead of是短语介词,“代替,而不是”,在句中的位置比较灵活,其后可接名词(短语)、代词或doing
I suggest that you buy a DVD player ________________a MP3 player.
A. instead B. instead of C. because D. because of
3.put in 安装
归纳:put up 搭建,挂起 put out 熄灭
put on 穿上 put off 推迟
3.fill
★fill ... with ...使……充满……
★be filled with=be full of充满
He broke a pipe and ________________ (fill) the whole house with water.
4.not only ... but also ...不但……而且……
当它连接两个并列的主语时,谓语动词要和but also后的主语在人称和数上保持一致。
Not only my parents but also I ________________ (be) interested in Hong Kong movies.
【拓展】both…and………和……都连接两个并列主语时,谓语动词用复数:
Both Suzy and her cousin like DIY.
5.advise建议;忠告,劝告
★advisesb to do 建议某人做某事
★advise doing 建议做某事
The doctor advised my father ________________(give up) smoking.
【拓展】advice,不可数名词,表示“一条建议”“apiece of advice”
give sb.advice (给某人提建议),take one’s advice (接受某人的建议)
6. stop 停止
★stop doing 停止正在做的事
★stop to do 停下,去做另一件事
—Stop________________(sing)! It’s already 9:30 p.m.
—OK. I’ll stop________________ (go) to bed right now.
【回顾】remember doing 记得做过 remember to do 记得去做
forget doing忘记做过 forget to do忘记去做
7. decide v. 决定
decide to do sth. 决定做某事
名词:decision
搭配:make a decision
8. have fun doing sth. 做……很开心
= enjoy doing sth.
We have fun ________________ (work) together.
9. It takessb+时间(金钱)to do sth.某人花费时间(金钱)做某事
It took me an hour ________________ (finish) my homework.
综合练习:
1. I had a(n)________________(可怕的) dream last night.
2. My father ________________(出席) the parents’meeting in our school last Friday.
3. —Do you want a watch as your birthday present
—No, thanks. I have ________________(已经) had one.
4. There are two________________(shelf) in my study room.
5. You’d better not________________(play) football in thestreet. It’s dangerous.
6. Jack spent two hours ________________ (paint) the wallsblue.
7. Think twice before you make a ________________(decide).