人教版八年级下册unit 6An old man tried to move the mountains. Section A grammar-4c课件(共20张PPT)

(共20张PPT)
Section A (Grammar Focus-4c)
Unit 6
An old man tried to move the mountains.
Do you still remember the story Yu Gong Moves the Mountains
How does the story begin
What happened next
Why was Yu Gong trying to move the mountains
Answer the questions
how to tell a story.
What happened next
Why was that
What does the story tell us
What happened at last
How did the story begin
How
to
tell
a
story
How does the story begin Once upon a time, there was a very old man ...
What happened next As soon as the man finished talking, Yu Gong said that his family could continue to move the mountains after he died.
“一……就……” ,引导时间状语从句
once upon a time意为“从前”，相当于a long time ago 或long long ago，常用于故事、童话的开头，并且其后的句子要用一般过去时。
Grammar Focus
Why was Yu Gong trying to move the mountains Because they were so big that it took a long time to walk to the other side.
Who is the Monkey King He is the main character in Journey to the West.
What can’t the Monkey King do He cannot turn himself into a man unless he can hide his tail.
如此/这么……以致于……,常引导结果状语从句
除非……; 如果不……, 除了……
多引导条件状语从句
Grammar
as soon as的用法
as soon as 意为“一……就……”，引导时间状语从句。若主句是一般将来时，从句用一般现在时表示将来。
As soon as he arrives, we will start to work.
I will do my homework as soon as I finish the meal.
We chose the house for our home as soon as we saw it.
As soon as I went in, Jason greeted me warmly.
Cathy is afraid of dogs. She will run away she sees them.
A. ever since B. although
C. as soon as D. so that
C
练一练
unless的用法
unless 意为“除非；如果不”，引导条件状语从句，如果主句为一般将来时、祈使句或主句含有情态动词，条件状语从句中的谓语常用一般现在时表将来。
Unless it rains tomorrow, we will go camping.
Don’t watch TV unless you finish your homework.
You should stick to taking exercise unless you do not care about your health.
【拓展延伸】 通常情况下， unless可与 if… not 结构进行转换。
Unless we are careful, we can’t do our work well.
= If we are not careful, we can’t do our work well.
Our business won’t improve we offer better services to our customers.
A. because B. unless C. after D. since
B
练一练
so...that...的用法
so … that 意为“如此……以至于”，引导结果状语从句，其中 so 是副词，修饰形容词或副词，其构成为“so + 形容词/副词 + that 从句”。
He worked so hard that he passed the exam.
He was so worried that he didn’t sleep well last night.
① such … that也可引导结果状语从句，但 such 为限定词，修饰名词，其结构为“such (+ a/an) + 形容词 + 名词 + that 从句”。
This is such an important problem that we should take it seriously.
so … that… 结构有时可与 too … to…(太……而不能……），not … enough to do …（做某事不够……）结构互换。
The man is so weak that he can’t swim across the river.
= The man is too weak to swim across the river.
= The man is not strong enough to swim across the river.
【拓展延伸】
【特别提醒】
当形容词为 many/much/few/little（少）时，要用 so，不用 such，即“so + many/much/few/little + 名词 + that 从句”。
There are so many apples that I can’t eat them all.
Bob is always polite to everyone, and he is lovely all of us like him very much.
A. too; to B. neither; nor
C. so; that D. such; that
C
练一练
4a
1. ____________ her father died, the stepsisters made her do all the chores.
2. She was ____ busy ______ she had no time to make a dress for the party.
3. The mice knew that ___________ they helped her make a dress, she would not be able to go to the party.
Fill in the blanks with unless, as soon as or so ... that.
As soon as
So that
unless
4. ___________ the prince saw her, he fell in love
with her.
5. The prince knew that _________ the girl’s foot
could fit the shoe, it was not the right girl.
6. The new couple were ____ happy ______ they
couldn’t stop smiling when they got married.
unless
so that
As soon as
4b
The Monkey King is the main character from the famous Chinese story Journey to the West. He is wonderful because he______ (help) weak people. The Monkey King _____ (have) a magic stick. He _____ (use) it to fight bad people. He can ______ (make) the stick big or small. He can sometimes
Fill in the blanks with the correct forms of the verbs in brackets.
helps
uses
make
has
make the stick so small that he can put it in his ear. As soon as he ______ (see) bad people, he thinks of ways to fight them. He can _______ (turn) himself into different animals and objects. But unless he can hide his tail, he cannot make himself a human. Children all over the world ______ (love) the Monkey King!
sees
turn
love
4c
Tell your partner about your favorite story.
My favorite story is ...
It is interesting because…
My favorite story is Journey to the West. It’s interesting because Sun Wukong is clever and smart. He can make 72 changes to his shape and size, and he always helps the weak and fights bad people.
Grammar
三、so... that... 引导的结果状语从句
二、as soon as引导的时间状语从句
一、unless引导的条件状语从句
Summary