(共25张PPT)
Brainstorm
whose特殊疑问词,意为“谁的”,用以提问物品的所属关系。
whose adj. & pron. 谁的
who pron. 谁
whom pron. 谁(宾格)
Whose test paper is this
The test paper could be Yang Chao’s. .
The test paper could belong to Yang Chao. .
1. To learn to understand and use must, might, could and can’t for making inferences (推断).
It must be Mary’s. The person can’t be a boy.
It could be Mei’s hair band.
The hair band might belong to Linda.
2. To listen and talk about ownership.
Unit 8 It must belong to Carla.
学习目标
hat
Dad
Whose hat is this
The hat is Dad .
’s
The hat Dad.
belongs to
=
whose提问时的回答常用名词所有格、名词性物主代词或短语belong to。
belong to 意为“属于，是……的”
其中to是介词。
后接名词(短语)或代词(用宾格形式)作宾语。
It must be _____________
Wang Gang’s.
=It must belong to __________
Wang Gang.
王 刚
Whose notebook is this
Because it has his name on it.
Look and say
Because it’s much too small for him.
John
Whose T-shirt is this
It can't be _____________
John’s.
=It can't belong to _________
John.
When we don't know the owner,we can guess.
Look and say
What does she do
She could/might be a/an______.
Look and guess
nurse
What does he do
He could/might
be a/an ______.
doctor
表示对某事物的确定程度，即表示推测的时候，通常会用到以下情态动词：
must, might, could, can’t
Look and guess
Can you guess where they are
What happened
---They might / may be at / in ......
(In the outdoors./ In an open air./ In a park.)
(Things are left everywhere.
They try to find the owners of the things.)
What can you see from the picture？
CD
book
T-shirt
tennis ball
toy truck
jacket
hat
plate
cup
magazine
Tip: you can talk about the picture from left to right, or from top to bottom.
Clothing Fun things Kitchen things
hat volleyball plate
T-shirt
jacket
baseball cap
toy truck
book (Harry Potter)
magazines (rabbits)
CD (Michael Jackson)
cup
Write the things you see in the correct columns in the chart.
1a
Some kids left some things at the picnic.
Let’s help them find the owners.
Can you guess who these things belong to
Pre-listening
picnic为可数名词，常用短语：have a picnic野餐；go for a picnic= go on a picnic去野餐。
Listen and match each person with a thing and a reason.
Person Thing Reason
Jane’s little brother volleyball J.K. Rowling is her favorite writer.
Mary toy truck She loves volleyball.
Carla magazine He was the only little kid at the picnic.
Deng Wen book She always listens to pop music.
Grace CD He loves rabbits.
听力原文
Practice the conversation in the picture above. Then make conversations using the information in 1b.
1c
A: Whose book is this
B: It must be Mary’s. J.K. Rowling is her favorite writer.
Person Thing Reason
Jane’s little brother toy truck He was the only little kid at the picnic.
Mary book J. K. Rowling is her favorite writer.
Carla volleyball She loves volleyball.
Deng Wen magazine He loves rabbits.
Grace CD She always listens to pop music.
Anna
Bob
Pre-listening
Anna
Bob
They found a schoolbag at the park.
What do you usually have in your schoolbag
notebooks, exercise books, magazines…
pencil box, pen, eraser, ruler…
bottles, umbrellas, glasses…
ping-pong bat, ping-pong ball…
books:
stationary:
sports things:
daily used things:
Things in the schoolbag
1. ____________________
2. ____________________
3. ____________________
T-shirt
hair band
tennis balls
Bob and Anna found a schoolbag at the park. Listen and write down the things in the schoolbag.
2a
Who do you think the owner of the school bag is And why
Use “must” to show that you think something is probably true.(100%)
Use “might” or “could” to show that you think something is possibly true.(20%-80%)
Use “can’t ” to show that you are almost sure something is not true.(0%)
Listen again. Fill in the blanks.
2b
能用来表示推测的情态动词must, might, could, may, can't
确信程度大小：must > may > might
肯定和否定的推测：must（肯定） can't， couldn't (否定）
1. The person ________ go to our school .
2. The person ________ be a boy.
3. It __________ be Mei’s hair band.
4. The hair band _______ belong to Linda.
5. It ______ be Linda’s schoolbag.
must
can’t
could
might
must
Listen again. Fill in the blanks.
听力原文
Make conversations using the information in 2a and 2b.
2c
Look! There’s a schoolbag
here.
What’s inside
There’s a
T-shirt, ...
The person must
go to…
Look and guess
What’s wrong with Linda
What are Linda and her mother talking about
Did Linda remember where
her schoolbag was
might/can’t/could/must be+地点
might/can’t/
could/must be+done
might/can’t/could/must +have done
肯 定：It/They must
有可能：It/They might/could
不可能：It/They can’t
be sb’s.(是某人的)
= belong to sb.(属于某人)
Whose … is this / are these
情态动词 must, might, could, can’t 后接动词原形, 可以表示对现在的情况的推测。be+所有格与belong to可以表示所属关系。
Summary
推测可能性：must﹥could﹥might﹥can’t
must在此表示猜测，译为“肯定，极可能”，后接动词原形。
can't 在此表示猜测，译为“不可能”，后接动词原形。
might/could在此表示猜测，译为“也许，可能”，后接动词原形。
一定
可能
不可能
1. Recite the conversation in 2d.
2. Preview the passage on page 59.
3. Make sentences with “must, might, could, may, can’t, couldn’t ”.
