Unit 4 Life on Mars Grammar 课件(共26张PPT，内嵌音频)

(共26张PPT)
Unit 4 Life on Mars
Grammar
New words and expressions.
aware adj. 知道，意识到
circle vi.&vt. 围绕；将……圈起来
agreement n. 一致，同意
distance n. 距离；远处
possibility n. 可能性
alien n. 外星人
doubt n. 疑惑，疑问
stranger n. 外来者，陌生人
问题导学
从句有哪些？？？
宾语从句
状语从句
定语从句
看图说话
Neil Armstrong received his student pilot’s license
when he was16.
when he was16.
at the age of16.
Sentences
看图说话
because of the low gravity.
People might float in space
because the gravity is low.
because the gravity is low.
Sentences
看图说话
without food, water or oxygen.
Humans cannot survive
if there is no food, water or oxygen.
if there is no food, water or oxygen.
Sentences
知识讲解
Using adverbial clauses
or simple sentences
I could swim when I was eight years old.
He went home after he finished his work.
I could swim at the age of eight.
He went home after finishing his work.
时间状语从句可借助介词短语转化为简单句。
状语从句和简单句之间的转换
because引导的原因状语从句用短语because of可转换成简单句。
He was late for school because it rained heavily.
He was late for school because of the heavy rain.
状语从句和简单句之间的转换
You cannot enter the cinema if you don’t have a ticket.
You cannot enter the cinema without a ticket.
if not 引导的条件状语从句可借助without短语转化为简单句。
状语从句和简单句之间的转换
so that引导的目的状语从句可用“in order to”或“so as to”转换为简单句。
He got up early so that he could catch the early bus.
He got up early in order to/so as to catch the early bus.
This hall is so large that it can hold 2000 people.
This hall is large enough to hold 2000 people.
so that引导的目的状语从句可用in order to或so as to转换为简单句。
so … that …引导的结果状语从句的可用 enough to结构转换为简单句。
状语从句和简单句之间的转换
知识讲解
Using object clauses
or simple sentences
看图说话
Sentences
The smell of the pills reminds them that food on the
Earth is tasty.
The smell of the pills reminds them of the tasty food on the Earth.
看图说话
Sentences
Are they sure that space travel will be very fast
Are they sure about the fast speed of space travel
可以用介词如of、about 等将宾语从句转换为简单句。
Change the sentences into simple sentences
1. Are you certain that Tom is satisfied with the plan
2. I don’t know which one I can buy.
I don’t know which one to buy.
Are you certain about Tom’s satisfaction with the plan
3. I heard she was singing in English.
I heard her singing in English.
4. The photos remind me that I have travelled to the UK.
The photos remind me of my trip to the UK.
5. Do you understand what I said
Do you understand my words
知识讲解
Using defining relative clauses or simple sentences
看图说话
Sentences
People might live in houses which
have huge comfortable rooms.
People might live in houses with huge comfortable rooms.
看图说话
Sentences
On Mars you might see people who wear special boots.
On Mars you might see people in special boots.
可以用介词如with、in 等将定语从句转换为简单句。
Mars is a planet an environment similar to
that of the Earth.
2. Astronauts space suits and helmets might
stay on Mars for hours.
3. It is difficult to breathe on a planet much
thinner air than that on the Earth.
4. On Mars there might be people air tanks
on their backs.
Change relative clauses into simple sentences
with
that has
who wear
in
that has
with
with
who carry
that has
who wear
that has
who carry
Change the sentences into simple sentences
1.The girl who is wearing a hat is Lucy King.
2. I prefer to stay in a hotel room which has a sea view.
I prefer to stay in a hotel room with a sea view.
The girl with a hat is Lucy King.
3.The man who wears a blue shirt is our English teacher.
The man in a blue shirt is our English teacher.
4. Do you know the girl who is holding two books in her hand
Do you know the girl with two books in her hand
5. We saw the glasses that were on the table fall off onto the floor.
We saw the glasses on the table fall off onto the floor.
Simon is interested in stories about aliens. He even writes to aliens. Replace each of the underlined parts in his letter with another expression.
Dear aliens,
Humans are thinking about moving to another planet because the pollution on the Earth is very serious. Many people do not doubt that life on Mars would be very interesting, but I am not sure. We could not play football on Mars because of the low gravity.
_______________________________
______
___________________________________
___________
because of the serious pollution on the Earth
about the interesting life on Mars
because the gravity is low
_________
Life would be boring for me if I could not play football. Maybe this problem could be solved by building indoor playgrounds which have the same football fields as those on the Earth.
By the way, would strangers be welcome I hope to hear from you soon.
Simon
without football
with the same football fields as those on the Earth
_____________________
___________________________________________
GOOD JOB