Unit 1 Can you play the guitar? Section A 情态动词Can的用法 四种“花费”的用法及辨析 课件(共22张PPT)

(共22张PPT)
情态动词Can的用法
情态动词，表示“能，会”；
后面必须跟动词原形。
Can
Can的肯定句形式：
I
We
You
She
He
It
They
can +动词原形
（swim/sing/play volleyball/…）.
某人（某物）能做某事。
1、
Can的否定句形式：
I
We
You
She
He
It
They
can +not+动词原形
（sing/dance/play soccer/…）.
某人（某物）不能做某事。
can +not = can’t 不能
2、
Can 的一般疑问句形式：
Can
I
we
you
she
he
it
they
+V(sing/dance/…)
某人某物能做某事吗 ？
把can 调到句首
3、
Can的肯定及否定回答：
Yes,
I
we
you
she
he
it
they
can.
No,
I
we
you
she
he
it
they
can't.
4、
小练习:
1、I can （play）basketball.
2、She can sing.（改为否定句）.
3、He can swim.
（改为一般疑问句，并作肯定回答。）
Yes,he can.
Can he swim
play
She can not sing.
1、肯定句：主语+can+动词原形.
小结：
2、否定句：主语+can't+动词原形.
3、一般疑问句：Can+主语+动词原形.
肯定回答：Yes,主语+can.
否定回答： No,主语+can‘t.
四个“花费”的用法辨析
Four Words
人作主语
pay
spend
物作主语
cost
take
一．人作主语
1. pay：支付：花费···钱
Sb. +pay +money+for+sth. 某人为某物支付多少钱
Eg：Tom花了15元买了这本字典。
Tom paid 15 yuan for the dictionary.
2. spend:花费钱或时间
①sb.+ spend +time/money+on+sth.
在······上花费时间/金钱
Eg：我花了100元买这辆自行车。
I spent 100 yuan on this bike.
②sb.+spend+time/money +(in) doing+sth.
花费时间金钱做某事
Eg.Lily花费了10元买这支钢笔。
Lily spent ten yuan (in) buying this pen.
二．物作主语
1. Cost:花费(钱)
Sth.+cost+sb.+money.
某物花费某人多少钱
Eg.这台电脑花了我3000元。
The computer cost me 3000 yuan.
Eg. 这些书花了我10元。
These books cost me 10 yuan.
2.take ：花费（时间）主语通常是It
It+takes+sb.+time+to do sth.
做某事花了某人多少时间
Eg.做完家庭作业花费我三个小时。
It took me three hours to finish my homework.
Eg.打扫房间花费了他半个小时。
It took his half an hour to clean his room.
Summary
四个花费的“异同”
相同点：
不同点：
均表示花费
主语不同
过去式不同
当人作主语用pay和spend 当物作主语用cost和take
pay
spend
cost
take
paid
spent
cost
took
过去式
句型转换
这四个词虽然用于不同的句式当中，但是可以传达相同或者相近的意思，所以这四个句式可以相互转换。
Exercises
用多种方式翻译转换下列句子
1. 这件新夹克花费了我150元。
①
②
③
I spent 150 yuan on the new jacket./(in) buying the new jacket.
The new jacket cost me 150 yuan.
I paid 150 yuan for the new jacket.
2.我花了一个小时弹钢琴。
①
②
I spent one hour (in) playing the piano.
It took me one hour to play the piano.
Exercises
1. They spend too much time_______ the report
A. writing B. to write C. on writing D. write
2. —Will you please_____for my dinner,Peter
—Sure!
A.take B.pay C.cost D. take
3. It will _____me too much time to read the book.
A.take B.cost C.spend D.pay
4. This science book______me a great amount of money.
A. took B.cost C. used D.spend
5.It____ me half an hour to find the boy.
A
B
A
B
took
Believe in yourself. “Yes, I can!”
（相信你自己！“是的，我能！”）
Thanks