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(共31张PPT)
He is cleaning the window
He is cleaning the window
Unit 8
Unit 8
第1课时 Parts (A, B & C)
湘少版·四年级下册
Enjoy a song
—What are you doing
—I’m _________.
—What are you doing
—I’m _________.
—What are you doing
—I’m _________.
Listen and match
washing
eating
dancing
wash
dance
eat
—What is he doing
—He is _________.
—What is he doing
—He is _________.
—What is she doing
—She is _________.
running
drawing
sleeping
draw
run
sleep
句型
讲解
例句
—What is+主语（第三人称单数）+doing（+其他）
—He/ She is+动词-ing 形式（+其他）.
—What is Gina doing 吉娜正在做什么？
—She is running. 她正在跑步。
询问他人（第三人称单数）正在做某事
问句是现在进行时的特殊疑问句，what 意为“什么”
主语是第三人称单数，故be动词要用is
答语中主语要用相应的人称代词he 或she 指代
拓展：询问对方正在做什么
问句：
答语：
例句：
What are you doing（+其他）
I am+动词-ing形式（+其他）.
—What are you doing 你正在做什么？
—I am having breakfast. 我正在吃早餐。
What is he/she doing
He/ She is _________ the window.
Can you guess
cleaning
clean
ing
（把……）弄干净；打扫
洁净的
Let’s learn
He/ She is _________ the floor.
Can you guess
sweeping
sweep
ing
打扫；清扫
What is he/she doing
He/ She is _________.
Can you guess
walking
walk
ing
走；行走
What is he/she doing
He/ She is ______________.
Can you guess
drinking water
drink
ing
喝；饮
What is he/she doing
水
He/ She is _________.
Can you guess
sleeping
sleep
ing
睡觉
What is he/she doing
He/ She is __________.
Can you guess
exercising
exercise
exercising
运动；锻炼
What is he/she doing
动词-ing形式的变化规则
变化规则
例词
一般情况下，直接在动词词尾加-ing
以不发音的字母e结尾的动词，先去掉e，再加-ing
以重读闭音节结尾且末尾只有一个辅音字母的动词，双写末尾辅音字母，再加-ing
play (玩) → playing
read (阅读；读) → reading
write (写；写作) → writing
make (制作；让) → making
swim (游泳) → swimming
run (跑；奔跑) →running
重读闭音节三要素：1. 音节重读
2. 末尾音节为“辅音+元音+辅音”
3.“辅音+元音+辅音”中的元音发短音
动词-ing 形式的构成口诀：
动词-ing 很好记，
一般情况加-ing。
词尾若有哑音e，
去e 再加没问题。
一辅重读闭音节，
末尾字母要双写。
sleep
sweep
exercise
clean
Word game
water
行驶的每一辆小车有一个单词，看到快速读出单词以及意思。
drink
walk
Listen and Learn
clean
sweep
walk
drink
sleep
exercise
What is he doing
He is cleaning the window.
Look, Listen and Say
Look and say
Where is it
It’s in a community.
Who are they What are they doing
It’s a Sunday morning.
When is it
It’s a Sunday morning.
Read and fill
A girl
Lingling’s father
Dongdong
Lingling
Mr Zhao
A cat
Who are they
The girl is _________________.
cleaning the window
Lingling’s father is _________.
exercising
Dongdong is ____________.
drinking water
Lingling is _______.
walking
The cat is ________.
sleeping
Mr Zhao is _________________.
sweeping the leaves
What are they doing
句型
讲解
例句
主语（第三人称单数）+is+动词-ing形式（+其他）
“be 动词+动词-ing 形式”是现在进行时的标志；此句型中主语为第三人称单数，故be 动词用is
现在进行时的标志词通常有look（看）、listen （听）、now（现在）等
My sister is reading stories now.
我妹妹现在正在读故事。
描述他人（第三人称单数）正在做某事
拓展：描述某（些）人正在做某事
句型：
讲解：
例句：
主语+be 动词（am/is/are）+动词-ing 形式（+其他）
句型中的be动词要随着主语人称和数的变化而变化
I’m teaching English. 我正在教英语。
They are flying kites. 他们正在放风筝。
Think and say
What are other people doing
The man is _______.
reading
The girl is _______.
running
The man is _____________.
walking the dog
Lingling’s mother is
_________.
exercising
It’s a Sunday morning.
Look! What is Dongdong doing
The girl is cleaning
the window.
The cat is sleeping.
Dongdong is drinking water.
Lingling is walking.
Mr Zhao is sweeping the leaves.
Lingling’s father
is exercising.
Listen and repeat
Look, point and say
Work in groups of two to talk about the picture
What is … doing
He/ She is …
Act and guess
两人一组，一人模仿图片中人的动作，另一人猜测模仿的是谁并说出他/她正在干什么。可交换角色进行练习。
Act it right
Say quickly/ clearly
Pronounce well
Let’s Act
Make a sentence.
1
2
3
4
确认他人是否正在做某事
问句：
答语：
例句：
Is+主语（第三人称单数）+动词-ing 形式（+其他）
肯定回答为：Yes, he/she is.
否定回答为：No, he/she isn’t.
— Is your sister dancing
— Yes, she is./ No, she isn’t.
Activity guidance
1. 4~5 人一组，提前准备一些有关询问他人正在做什么和确认他人是否正在做某事的句子。然后将句子拆分，将单词和标点符号分别填写在不同的卡片上，分给不同的小组。
2. 小组成员依次随机抽取卡片，并按照正确的顺序排序，完成得又快又准确的小组获胜。
1
2
3
4
Example
Is Peter sleeping
What is peter doing
Summary
clean
sweep
walk
drink
sleep
exercise
What is he doing
He is cleaning the window.
Homework
Recite the new words and sentences.
Use the sentence patterns in this lesson to talk about what your classmates are doing while having a break.
Do some related exercises.

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