Unit 20 What a surprise! 新概念英语青少版1B 课件(共41张PPT)

(共41张PPT)
What a surprise!
Unit 20
Warm up
1.Are there _____ (some/ any) peaches in the basket
2.There is _____(some/ any) milk in the fridge.
3.There aren’t ______(some/ any) water in the bottle.
4.Is there ____ (some/ any)juice in the glass
5.Is there ____(a/an) apple in the fridge
6.There is ____(some/ any)rice in that jar.
7.Put ____ (some/ any)water in the pan.
8.There is ____(a/an) egg on the table.
Review
1.a lot of 和 lots of
2.many/much
3.a/an
4.some 和 any
Grammar 1 a lot of 与 lots of
定义：表示“很多，许多”，
均可用来修饰可数名词和不可数名词
eg： There are lots of appples on the table.
There is a lot of bread in the plate.
there be句型中，be动词用is还是are,和a lot of/lots of 无关
可数名词单数用is,
可数名词复数用are,
不可数名词用is
Grammar 2 many/much 许多
many 修饰可数名词复数
eg:There are many students in the classroom.
much 修饰不可数名词
eg:There isn’t much money in the drawer.
Grammar 3 a/an 一个
a 用在辅音音素开头的单词前
an 用在元音音素开头的单词前
eg: an apple
an elephant
an umbrella
an eraser
an egg
an orange
an uncle
元音字母 ： a e i o u
Grammar 4 some/any 一些
some修饰可数名词复数和不可数名词 用在肯定句当中There are some desks in the classroom .
any 修饰可数名词和不可数名词 用在否定句或一般疑问句当中There aren't any desks in the classroom .
Grammar
one o’clock
seven o’clock
three o’clock
整点的表达
整点时间+o'clock
eg: 6:00 six o’clock
8:00 eight o’clock
half past six
half past twelve
半点的表达
half past+半点时间
eg: 6:30 half past six
8:30 half past eight
a quarter past two
a quarter past four
几点15
a quarter past + 几点
eg: 6:15 ：a quarter past six
8:15：a quarter past eight
a quarter to three
a quarter to five
几点45
a quarter to + 即将到的整点
eg: 6:45 ：a quarter to seven
8:45：a quarter to nine
Grammar：
1、整点，半点，一刻的表达：
①整点：整点时间+o'clock
6点：6 o'clock
②半点：half past+半点时间
6点半：half past 6
③几点15：a quarter past + 几点
6点15：a quarter past 6
④几点45：a quarter to +即将到的整点
6点45：a quarter to 7
Do exercise
1. 6:00 6:15
2. 9:45 3:45
3. 4:30 3：15
4. 8:15 9:45
5. 3:00 4:30
6. 1:00 2:15
7. 7:15 8:30
8. 4:00 7:45
9. 8:00 5:30
时间的表达法
(1).顺读法 时针+分针eg: 9:10 nine ten 7:15 seven fifteen
时间的表达法
(2) .逆读法
A.分针≤30分
分针+ past+ 时针 past 超过
eg:9:05 nine five = five past nine
Do exercise
1. 10:20
2. 5:09
3. 8:15
4. 9:25
5. 11:16
6. 2:19
7. 8:23
8. 9:16
9. 11 :28
时间的表达法
B: 30＜分针＜60
分减+to+时 (加 60-分）to （时+1）
to距离……差……
eg:11:53 eleven fifty-three = seven to twelve
Do exercise
1. 10:50
2. 6:45
3. 8:55
4. 9:35
5. 11:40
6. 2:38
7. 8:51
8. 9:48
9. 11:55
时间的表达法
逆读法
A.分针≤30分 分针+ past+ 时针 past 超过
eg: 9:05 nine five = five past nine
B: 30＜分针＜60
分减+to+时 (加 60-分）to （时+1）
to距离……差……
eg:11:53 eleven fifty-three = seven to twelve
具体某个时间点做某事，介词用at
eg: My English lesson is at 8 o'clock.
What time is it
回答只能用It’s ___ o’clock.不能用at。
must 用法
1.定义： “必须”
2.肯定句结构：
主语+ must+ 动词（v.) 原形
3.否定句变化规则：
一找 must 二在must后加not
4.一般疑问句变化规则：
一找must , 二把must提句首，三变 符号人称大小写
5.回答： Yes,主语+must.
No,主语+ mustn’t.
New words
surprise [s ‘praiz] n.惊奇，意外
homework ['h umw :k] n.家庭作业
suprise n . 惊奇，意外
lesson n.课
half past .....点半
talk v.谈话
a quarter to/ past
......点三刻、一刻
find v. 找到
bye 再见
when 什么时候
look for 寻找
next 下一个
homework n.家庭作业
then adv. 然后
wash v.洗
KAREN: Hello, Linda! Nice to speak to you! How are you And how is Ken KAREN: Yes, I'm very busy, too. It's Lucy's music lessonat half past six.I'm sorry, but I can't talk now.
KAREN: Come on, Lucy!Your music lesson is at half past six, and it's a quarter to six now! What's the problem LUCY: I can't find my music book.KAREN: Oh dear!I'm sorry, Linda. I must go! Can I call you at half past nine LUCY: Mum! I must find my book!
KAREN: Thanks, Linda.Bye! Now, Lucy, look in your schoolbag.LUCY: It isn't there.KAREN: Are you sure LUCY: Yes, Mum. Look!LUCY: Oh! Here it is!KAREN: What a surprise! Please hurry up,
Lucy! It's six o'clock.LUCY: It's OK, Mum.I'm ready. Can we go now, please
Thank you