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新人教版八年级下册英语知识点归纳重点知识点归纳总结下载
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人教版八年级英语下册基础知识必背手册（全套）
人教版英语八年级下册单元知识点+测试卷+思维导图
八年级英语下册知识点学霸笔记【人教版要点、考点】
人教版八年级英语下册单元知识点归纳
人教版八年级英语下册重点难点知识点归纳
新人教版八年级英语下册知识点归纳
人教版8年级下册英语思维导图
人教版八年级英语下册单元知识点ppt课件基本版
人教版八年级英语下册同步精品课堂ppt课件全套打包
举例
Unit4 Why don’t you talk to your parents?
重要词汇和句型
6. cost 1) 动词 , 花费 \ 价值 (多少钱 )
How much did it cost ?
I didn ’t buy it because it cost too much .
The meal cost us about 100 yuan .
(2 ) 名词 , 成本, 费用, 价钱. at all costs不惜任何代价; at the cost of 以⋯⋯ 为代价.
Living costs are higher in cities than that in the country .
We must stop it at all costs .
After the earthquake , the soldiers tried to reach the area at the cost of their lives .
7. pay , spend , cost , take 的区别
pay 花费 ( 多少钱 ) , 主语是人. Sb. pay some money for sth.
I paid 5000 yuan for the computer last week .
Spend 花费 ( 多少钱或时间 ),主语是人. Sb. spend some money on sth.
Sb. spend some time ( in ) doing sth.
I spent 5000 yuan on the computer last week .
She spent 2 hours ( in ) doing her homework .
cost 花费 ( 多少钱 ) , 主语是物. Sth. cost sb. some money .
This jacket cost him 200 dollars .
take 花费 (时间 ),It takes sb. some time to do sth . 花费某人多少时间做某事
How long does it take sb. to do sth ?花费某人多少时间做某事 ?
It took Liu Hong 2 hours to do her homework .
It takes me 10 minutes to walk to school from home .
It will take them 6 months to build the building .
How long does it take him to plant the trees ?
8. sleep , sleeping, sleepy , asleep , fall asleep , be asleep 的区别
sleep 动词, 睡觉, 强调动作. I am very tired . I want to sleep .
He slept for 12 hours yesterday .
sleeping , Sleep 的现在分词, 表示“ 正在睡觉”
Don’t make so much noise . The baby is sleeping .
They woke up the sleeping girl and asked her where her parents were .
sleepy 想睡觉的, 困倦的. I am a little sleepy . I ’d like to go to bed .
asleep 睡着了的.
The teacher found Tom asleep in class and kept him behind after school .
Would you mind turning down the TV ? The baby is asleep .
fall asleep 强调从没有睡着到睡着的过程 , 不能接一段时间
I couldn ’t fall asleep until it was very late last night .
He listened to music and fell asleep .
be asleep 表示睡着后的状态 , “ 睡着了”, 可以接一段时间 .
He was asleep for three hours .
9. choose 动词, “ 选择,挑选” , 过去式chose, 过去分词chosen
choose to do sth. 选择做某事
can’t Choose but 只得⋯⋯
pick and choose 挑挑拣拣
There are many books to choose from .
We choose mike as our leader ( 领导 ).
Will you help me choose a dictionary ?
Everyone can’t choose but obey ( 服从 ) .
It’s her habit ( 习惯 ) to pick and choose while shopping .
10. present (1) 礼物, 礼品== gift Why not give him a card as a present ?
what can I get him for a birthday present ?
( 2 ) 目前, 现在 I’m sorry he is out at present .
You have to forget the past and start living in the present .
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