内容正文:
Book 4A
Chapter 5
Key Structures
could / couldn’t
… when …
reflexive pronouns
How can we talk about things we could do when we were small?
I could … by myself.
‘by myself’ = alone or without help from anyone else
In this picture …
I could comb my hair by myself.
I was three years old.
I could comb my hair by myself when I was three years old.
We use ‘when’ to express time.
Let’s try to use ‘when’ to link the two sentences.
2
We use ‘couldn’t’ to talk about things we were not able to do.
I couldn’t … by myself.
couldn’t = could not
I couldn’t pack my school bag by myself when I was three years old.
Or: ‘When I was two, I couldn’t climb the stairs by myself.’
I couldn’t climb the stairs by myself when I was two.
Or: ‘… when I was three.’
3
How do we use reflexive pronouns?
… by myself / yourself.
I my + self
you your + self
4
… by himself / herself.
he him + self
she her + self
5
… by themselves.
they them + selves
6
… by ourselves.
we our + selves
We could tie our shoelaces by ourselves when we were four.
7
… by yourselves.
you your + selves
More than one person here!
You could do up your zips by yourselves when you were three.
you yourself
you yourselves
8
Pair up with a classmate. Take turns telling each other what you could or couldn’t do when you were small.
Your turn!
9
Key Structures
10
1. Circle the correct answers.
Practice
I (could / couldn’t) carry my school bag by (herself / myself).
11
2. Circle the correct answers.
Practice
She (could / couldn’t) put on her shoes by (herself / myself).
12
couldn’t
could
herself
when
myself
3. Choose the correct answers.
Practice
Annie, 5 years old
Annie: I pack my school bag by
I was five.
couldn’t
could
herself
when
myself
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could
myself
couldn’t
himself
when
4. Choose the correct answers.
Practice
Mary: This is my little brother, Sam. He comb
hair by he was two.
could
myself
Sam, 2 years old
couldn’t
himself
when
14
5. Fill in the blanks.
Practice
Mum: Mary ________ ride a bicycle by ________ when she was four years old.
couldn‘t
herself
15
6. Fill in the blanks.
Practice
Mum: John, look at this photo! This is you. You ______ do up _____ zip __________________________ .
John, 3 years old
could
by yourself when you were three
Or: by yourself when you were three years old.
your
16
7. Fill in the blank.
Practice
(2 years old)
They couldn’t climb the stairs by
themselves when they were two.
Or: … when they were two years old.
17
8. Fill in the blank.
Practice
(3 years old)
Or: … when we were three years old.
We could do up our buttons by ourselves when we were three.
This is me!
This is me!
18
The End
Acknowledgments
We are grateful to the following for permission to reproduce copyright photographs:
Karramba Production. Shutterstock for slide 2
yalayama. Shutterstock for slide 2
@erics. Shutterstock for slide 3
VaLiza. Shutterstock for slide 4 & 8
Sergiy Bykhunenko. Shutterstock for slide 4
Gelpi. Shutterstock for slide 5
DenisNata. Shutterstock for slide 5 & 9
GekaSkr. Shutterstock for slide 5
Aliaksei Lasevich. Shutterstock for slide 6
2xSamara.com. Shutterstock for slide 6
Gladskikh Tatiana. Shutterstock for slide 7
Tracy Whiteside. Shutterstock for slide 8
Gelpi JM. Shutterstock for slide 9
Every effort has been made to trace copyright, but in the event of any accidental infringement, we shall be pleased to come to a suitable arrangement with the rightful owner.
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