资源简介

(共38张PPT)
Unit 4 Helping in the community
单元重难点梳理
（人教PEP版）四年级
上
1
2
3
4
5
单词，词组过关
重点句型过关
语法过关
字母+语音过关
经典例题
1
单词，词组过关
单词词组过关
Key words
警察；警员
大量；许多
清洁工
Key words
厨师
快递员
司机
Key words
消防队员
为什么
过去的；年纪大的；老的
每人
现在
讲述；告诉
everyone
old
tell
make the
bed
now
Look and say
2
经典例题
cleaner
delivery worker
bus driver
cook
police officer
Look and match
一、选择不同类的一项。
( )1.A. firefighter B. job C. cleaner
( )2.A. cook B. driver C. help
( )3. A. bed B. room C. make
( )4.A.tell B.story C.read
( )5.A. people B. child C. everyone
1-5BCCBC
2
重点句型过关
重点句型过关
Conversation
Look! A
firefighter!
Our neighbour is a firefighter. He often helps people.
Yes, he’s a very nice man.
Liu Jia’s father is also very nice.
Why
He’s a school bus driver. He takes us to school every day.
That’s an important job too.
Video
Conversation
That’s great!
My neighbour is a police officer. She helps a lot of people.
cleaner
delivery worker
cook
bus driver
police officer
Video
Conversation
Chen Jie is making the bed.
Here is Zhang Peng. He’s singing old songs.
Binbin and John are telling funny stories. Everyone is happy!
Look! The students are busy now!
Video
Conversation
She is making the bed.
He is singing old songs.
He is telling a funny story.
They are cleaning the room.
We’re in an old people’s home. I’m making the bed.
Video
2
经典例题
单项选择。
( )1.-What does your mother do -She's______cook
A. a B. an C. the
( )2. My friend's father is a police officer. He often______people.
A. help B. helps C. helping)
( )3.I can______ the floor. It's clean now.
A. clean B. cleaning C. cleans
2
经典例题
1-5ABABA
( )4.-Can you help the old people
Yes, I______.
A. do B. can C.am
( )5.We often help others in the community. We are______.
helpful B. busy C. tired
3
语法过关
语法过关
知识点 1
介绍他人的职业及其日常工作
主语（第三人称单数）+is a/an+职业名称.
主语（第三人称单数）（+频度副词）+动词第三人称单数形式（+其他）.
he, she, Mike, my father...
My neighbor is a police officer.
She helps a lot of people.
知识点 2
why的用法
why是疑问副词，意为“为什么”，常用来询问原因。回答时常用以because 开头的句子，意为“因为……”
Why is Liu Jia’s father very nice
Because he’s a school bus driver.
He takes us to school every day.
知识点3
treat-treating
grow-growing
take-taking
make-making
put-putting
动词-ing形式
末尾加-ing
去e再加-ing
双写末尾辅音字母，再加-ing
以不发音的字母 e结尾的动词，
以重读闭音节结尾且末尾只有一个辅音字母的动词，
一般情况下
知识点 4
描述某人正在做某事
主语+be 动词（am/is/are）+动词-ing 形式（+其他）.
I’m cleaning my room now.
我现在正在打扫我的房间。
Look! The boys are flying kites.
看！男孩们正在放风筝。
“be 动词+动词-ing 形式”是现在进行时的标志，be 动词要随着主语人称和数的变化而变化
现在进行时的标志词通常有 look
（看）、listen（听）、now（现在）等
2
经典例题
末尾加-ing
去e再加-ing
双写末尾辅音字母，再加-ing
put
dance
clean
make
cook
run
点击芝士，帮助Jerry 把带有奶酪的动词放到相应的小老鼠下面。
选择填空
1.Look! The boy ______ (run) in the park.
A. run B. runs C. is running
2.Listen! The birds ______ (sing) in the tree.
A. are singing B. sings C. singing
3.She ______ (not watch) TV now. She ______ (read) a book.
A. isn’t watching; is reading
B. doesn’t watch; reads
C. don’t watch; is reading
答案与解析：
1.C解析：根据“Look!”提示动作正在进行，主语“The boy”是第三人称单数，需用“is + running”（双写n加-ing）。
2.A解析：“Listen!”提示动作正在进行，主语“The birds”是复数，需用“are + singing”（一般加-ing）。
3.A解析：“now”提示现在进行时，第一空为否定结构“isn’t + watching”，第二空为“is + reading”（去e加-ing）

4
语音过关
字母+语音过关
Sound
ph
ph发/f/
Philip has a phone.
He takes photos with his phone.
This is a photo of some elephants.
It’s a photo from his phone!
By Philip
Video
Look and say
photo
philip
phone
elephant
/f/
/f/ 是辅音中的摩擦音，发音时上齿轻触下嘴唇，从口腔向外出气，声带不振动。
正面图
侧面图
口腔剖面图
phone
photo
elephant
dolphin
/f/的发音规则
Let’s practice
graph duck
nephew chair
photo Philip
phone fish
判断每组单词画线部分发音是(T)否(F)一致。
elephant dolphin
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