人教新目标版九年级Unit 1 How can we become good learners.Section A4a-4c课件(共20张PPT

(共20张PPT)
Unit 1 How can we become good learners Section A 4a-4c
To learn the structure and expressions
of “ by + v.-ing”.
By watching English programs.
By having conversations with friends.
Learning Objectives
Free Talk
A:How do you learn English
B1:I learn English by ...
B2:...
Presentation
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.
[探究]“by +动名词”结构
“by +动名词”表示“以......的方式；通过...”
Grammar focus
1.“by +动名词”在句中通常作___________,
常位于________.
I improve my English by reading a lot.
我通过大量阅读的方式提高我的英语。
方式状语
句末
2. 对“by +动名词”提问时要用_________,
-How do you learn English 你是怎样学英语的？
-By joining the English club.通过加入英语俱乐部。
How
[辨析] by, with与 in
by
with
in
表示乘坐某种交通工具或用某种方式。
如：go to school by bus乘公共汽车上学
表示用某种工具或身体的某部位（手、脚
等）。如：write with a pen用钢笔写字。
表示用某种语言或某种材料。
如：in English
活学活用
My mother always goes to work _____ _________.
by subway
活学活用
Nancy likes drawing pictures ______ her crayons .
with
活学活用
Mike can talk with us_____________ (用中文) .
in Chinese
[归纳] 介词by的基本用法
“by+交通工具”表示____________________.
如：by bus 乘公共汽车；by ship 乘船
2.“by+地点名词”表示______.意为 “_________；
__________”。如：by the river 在河边
3. “by +时间” 意为“____________;不迟于”。
如by 6 o’clock 在六点之前。
乘坐某种交通工具
位置
靠近...
在...旁边
在...之前
4. 表示移动方向，意为“从... 经过”。
如：pass by 经过
5.by用在被动语态中表示___________，后接动作的
执行者，即用来引出原主动语态的主语。
如:This book is written by Lu Xun.
这本书是鲁迅写的。
被；由于
Match the questions and answers.
4a
How do you practice speaking By watching English programs.
How do you learn new words By listening to a tape and
repeating out aloud.
How do you improve your writing By having conversations with
friends.
How do you practice listening By taking notes, doing
exercises and reading a lot.
How do you improve your pronunciation By making word cards.
How do you learn grammar By writing e-mails to my pen pals.
v. 重复；重做
4b
Making 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.
n. 笔记；记录
4c
Check (√) what you do to learn English. Then
interview your partner.
I learn English by My partner learns English by
yes no how often yes no how often
doing grammar exercises.
taking notes in English.
reading English books/magazines.
writing in an English diary.
using an English dictionary.
…
Do you learn English by doing grammar exercises
Yes, I do.
How often do you do them
...
Summary
根据汉语提示用适当的介词短语填空。
1.We learn English ___ ______ ______(通过大声读).
2.she often sits ___ ____ _____ (在河边) after supper.
3.I practice speaking English ___ _______ (通过参加)
the English club.
4.They are talking about something ___ _______(用英语).
by reading aloud
by the river
by joining
in English
Exercise
GOOD JOB