Unit 1 How can we become good learners. Section A Grammar focus-4c课件（30张PPT）2023-2024学年人教版英语九年级全册

(共30张PPT)
Unit 1 How can we become good learners
(Period 3)
Section A (Grammar Focus-4c)
They learn English by working with friends.
Think and talk.
She/He learns English by using the dictionary.
How does/do ... learn English
He/She learns English by reading the textbook.
They learn English by talking with foreigners.
Think and talk.
How does/do ... learn English
They learn English by watching English movies.
She learns English by answering the questions actively.
Think and talk.
How does/do ... learn English
They learn English by listening to the teacher carefully.
They learn English by reading English books
in the library.
Think and talk.
How does/do ... learn English
repeat v.
note n.
v.
pal n.
physics n.
chemistry n.
memorize v.
pattern n.
重复；重做
笔记；记录
注意；指出
朋友；伙伴
物理；物理学
化学
记忆；记住
模式；方式
Work in pairs. Talk about the ways you learn other subjects. You can use the following phrases and sentences.
How do you learn Chinese/math/...
Do you learn history and geography by ...
Think and talk.
How do you learn English I learn by studying with a group.
Do you learn English by reading aloud Yes, I do. It helps my pronunciation.
How can I read faster You can read faster by reading word groups.
How can I improve my pronunciation One way is by listening to tapes.
Grammar Focus
Read Page 4 and find verbs connected with “by + v.-ing”.
I learn by studying with a group.
You can read faster by reading word groups.
How can I improve my pronunciation One way is by listening to tapes.
How do you practice speaking
Other verbs connected with “by + v.-ing”:
study repeat review develop
...
1．“by + v.-ing形式”表示方式、方法
语法结构 介词 by 后接 v.-ing 形式，构成“by + v.-ing 形式”结构，意为“通过做……的方式”，该结构表示通过做某事而得到某种结果
提问方式 “by + v.-ing 形式”结构通常在句中用作方式状语，因此要用 how 引导的特殊疑问句来提问
e.g. I learn English by reading novels. 我通过读小说来学习英语。
—How can I turn on the light 我怎么开这盏灯
—By turning this button. 转这个按钮。
介词 by 的用法
—________ can we pass the exam
—By working hard and asking the teachers for help.
A．How B．Where C．When D．Why
A
典例
点拨
可用语法判断法解答本题。根据答语“By working hard and …”可知，问句是对方式、方法提问，应用疑问词 how。故选A。
介词 by 的用法
1．“by + v.-ing形式”表示方式、方法
写出下列动词的-ing形式：
go—________
do—________
ask—________
listen—________
come—________
live—________
dance—________
make—________
sit—________
run—________
begin—________
forget—________
die—________
tie—________
lie—________
going
doing
asking
listening
dying
tying
lying
coming
living
dancing
making
sitting
running
beginning
forgetting
介词 by 的用法
2．“by + 交通工具”，意为“乘/坐……”，表示交通方式，表示
交通工具的名词一定用单数，前面不加任何冠词或物主代词。
e.g. Mary often goes to school by bus. 玛丽常坐公共汽车去上学。
3．by 表示位置，意为“在……旁边；靠近……”，有时可与 beside
换用。
e.g. The girls are dancing by/beside the lake. 女孩们正在湖边跳舞。
4．by 表示时间，意为“截止到……；不迟于……”。
e.g. My brother will come back by 5:00. 我弟弟将在5点前回来。
介词 by 的用法
—How do you get to school every day, Lucy
—I go to school ________.
A．ride by bike B．by my bike C．by bus D．by a bus
C
典例
点拨
可用语法判断法解答本题。根据问句“How do you get to …”可知是对方式提问，应用固定结构“by + 交通工具”回答，交通工具名词用单数，前面不加任何冠词或物主代词。故选C。
介词 by 的用法
Can you finish the work ________ five o’clock
A．by B．for C．of D．on
A
典例
点拨
可用语法判断法解答本题。句意：你能在五点之前完成这项工作吗？“by + 时间名词”表示“不迟于……”，故选A。
介词 by 的用法
5．介词 by、with 与 in 表示“用”时的区别
by 侧重用某种手段、交通工具、传递方式或媒介等
with 侧重用有形工具、材料、内容等
in 侧重用语言、语调、笔墨、颜色等
write a letter in ink
用墨水写信
by writing a letter
通过写信
write a letter with a pen
用钢笔写信
介词 by 的用法
5．介词 by、with 与 in 表示“用”时的区别
e.g. We’ll be traveling by car.
我们将开车旅行。
He broke the window with a stone.
他用一块石头打破了窗户。
Please answer the question in English.
请用英语回答这个问题。
介词 by 的用法
4a
Match the questions and answers.
c
e
f
b
a
d
1．How do you practice speaking
2．How do you learn new words
3．How do you improve your writing
4．How do you practice listening
5．How do you improve your
pronunciation
6．How do you learn grammar
a．By watching English programs.
b．By listening to a tape and repeating
out loud.
c．By having conversations with friends.
d．By taking notes, doing exercises and
reading a lot.
e．By making word cards.
f．By writing e-mails to my pen pals.
Think about what you do and say.
How do you
practice listening
practice speaking
improve your pronunciation
improve your writing
learn new words
learn grammar
4b
Make sentences using the structure “do sth. by doing” with the subjects in the box and information that is true for you.
math physics chemistry Chinese history geography
e.g. I usually practice my English by
taking notes.
reading books and newspapers.
speaking English with my classmates.
memorizing sentence patterns.
by solving new math problems every day
by doing a lot of exercises
and doing experiments
I like to practice my Chinese ____________________________.
I like to learn math ____________________________________.
I usually practice my physics ____________________________.
I like to study my chemistry _____________________________
______________________.
I like to improve my history and geography ________________ ________________________________.
by watching
by keeping a diary in Chinese
4b
Make sentences using the structure “do sth. by doing” with the subjects in the box and information that is true for you.
by memorizing chemical terms
historical and geographical programs
Pair work: How do you learn ...
—How do you learn Chinese/math
—I often learn Chinese/math ... by ...
—Do you learn history and geography by ...
—Yes ..
I learn English by … yes no how often
doing grammar exercises
taking notes in English
reading English books/magazines
keeping a diary in English
using an English dictionary
…
4c
Check (√) what you do to learn English. Then interview your partner.
4c
Check (√) what you do to learn English. Then interview your partner.
A: Do you learn English by doing grammar exercises
B: Yes, I do.
A: How often do you do them
B: …
4c
Check (√) what you do to learn English. Then interview your partner.
My partner learns English by … yes no how often
doing grammar exercises
taking notes in English
reading English books/magazines
keeping a diary in English
using an English dictionary
…
Compare your ways of learning English with your partner according to the tables above.
Who Similarities Differences
Do we study by doing the same thing
Words
_____________ v. 重复；重做
_____________ n. 笔记；记录 v. 注意；指出
_____________ n. 朋友；伙伴
_____________ n. 物理；物理学
_____________ n. 化学
_____________ v. 记忆；记住
_____________ n. 模式；方式
repeat
note
pal
physics
chemistry
memorize
pattern
1．“by + v.-ing形式”表示方式、方法
2．“by + 交通工具”表示交通方式
3．by 表示位置
介词 by 的用法
4．by 表示时间
5．介词 by、with 与 in 表示“用”时的区别
Remember the grammar points we learnt today.
Practice the sentence structure “by + v.-ing”.