【学霸笔记】Unit 8 Section A Grammar focus-4c 教学课件 初中英语五四制鲁教版九年级全一册

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Grammar focus-4c
Unit 8
We are trying to save the earth!
Lead in
情 境 导 入
Free talk
1.What happened to our earth
2.What should we do to save the earth
...used to ... but now...
The government should ...
Everyone should...
1. We’re trying to save the earth.
2. The river used to be so clean.
3. The air is badly polluted.
4. No scientific studies have shown that shark fins are good for health.
5. We should help save the sharks.
Present progressive
used to
Passive voice
Present perfect
Grammar Focus: Read and find out the tense.
Modal verbs
新 课 探 究
Presentation
Work in groups and talk about one point.
新 课 探 究
Presentation
Group 1
Present progressive
Nancy is working on a new book about stories.
目前一段时间内正在进行
Why are you always coming late for class
正在发生
They are playing basketball.
含说话者的强烈情感
现在进行时结构：be (am/is/are) + v.-ing
含义：
（1）表示说话时(瞬间)正在进行的动作
（2）表示目前或现阶段正在进行的动作。
（3）表示说话者的强烈情感。
标志词：Look, Listen, now, right now…
⒈I think people are (throw) litter into the river and factories are also (put) waste into the river.
2. People's behavior is (turn) beautiful places into ugly ones.
3. Do you realize that you're (kill) a whole shark each time you enjoy a bowl of shark fin soup
4. Environmental protection groups are (teach) the public about "finning".
5. He is always (lose) things.
6. The weather is (get) warmer and warmer these days.
7. The Bus345 (come) soon.
8. I (take) my vacation in Sanya now.
9. Listen! The birds (sing) in the tree.
10. ---Where is your mother
---Perhaps she (cook) in the kitchen.
throwing
putting
turning
killing
teaching
losing
getting
is coming
am taking
are singing
is cooking
Exercise1
新课探究
新 课 探 究
Presentation
Group 2
used to do
The river didn’t use to be clean.
Did the river use to be clean
Yes, it did. / No, it didn’t.
The river used to be clean.
结构：
used to do
didn’t use to do sth/ used not to do sth.
Did...use to do sth Yes, ...did. / No, ... didn’t.
Used.. to do ... Yes, ...used to./ No, ...usedn’t to.
拓展:
used to do sth.
过去常常做某事
be used to doing
习惯于做某事
be used to do sth
被用于做某事
used to do sth. 过去常常做某事
1.The river used to (be) clean , but it is full of rubbish now.
2. I didn't use to (like) him much when we were at school.
3. You used to (see) her often,didn't you
4. Did she use to (have) long hair
1. I don't think I can get used to (live) in a big city after living in the country.
2. We will soon be used to (learn) online.
3. The food isn't tasty and it will take you some time to get used to (it).
4. I used to (walk) to school, but now I'm used to (ride) to school.
be/get used to sth./doing sth. 习惯于…，适应于…；习惯做某事
be
like
see
have
living
learning
it
walk
riding
新课探究
Exercise2
新 课 探 究
Presentation
Group3
Passive voice
Some laws are developed to stop the pollution.
These trees were cut down by the workers last night.
In the future, more and more work will be done by the robots.
I think teenagers should be allowed to choose their own clothes.
被动语态结构：be+过去分词
一般现在时被动语态：am/is/are +done
一般过去时被动语态：was/were+done
一般将来时被动语态：will be +done
含有情态动词的被动语态：情态动词+be +done
1. That swimming pool (build) in 2009.
2. A new school (build) in the city next year .
3. Look! A nice picture (draw) for our teacher.
4. The Great Wall (know) all over the world.
5.He says that Mr Zhang (send) to the factory next week.
6.The monkey was seen (jump) off the tree.
7. 那个男孩被迫每天做大量的工作。（make)
8. 老年人应该被好好照料。（look)
9.你的书肯定没有被偷。（steal)
was built
will be built
is being drawn
is known
will be sent
to jump
The boy is made to do too much work every day.
The old should be looked after.
Your book can't be stolen.
新课探究
Exercise3
新 课 探 究
Presentation
Group4
Present perfect
The government has taken action.
He has kept this book for two weeks.
His grandfather has been dead since 10 years ago.
My mother has gone to Honkong twice. 去了未回
They have never been to the USA.去过已回
现在完成时结构：have/has+过去分词
含义：
（1）表示过去的事情对现在造成的影响或结果（already/ yet/ ever/ never/ just/ before/ recently）
（2）表示过去某时开始并一直持续到现在，也许还会持续下去的动作（since+过去时间点, since +过去时句子，for+时间段, so far, all one's life，in the last/past few years, in the recent years, during the past few years…）。
表示持续动作或状态的动词多是延续性动词。
…
拓展：
在“最高级+名词”或在“这是第几次”之后+定语从句，从句用现在完成时。
e.g. This is the third time you have failed in the exam. 这是你第三次考试不及格了。
It is the best film (that) I've ever seen. 这是我所看过的最好的一部电影。
1. It （rain）for a week.
2.---Let’s go to the cinema.
---No, I （see, already）the film.
3. I （buy）the bike two weeks ago.
I （have）this bike since the beginning of this month. I （have）it for two weeks.
4. They can’t go with us. They （finish, not)the work yet.
5.In the past few years, we (build) a lot of buildings.
6. Such a thing （happen, never）in the village before.
7. Xiangyang is the most city that I (be)
has rained
have already seen
bought
have had
have had
haven't finished
have built
has never happened
have been to
新课探究
Exercise4
新 课 探 究
Presentation
Group5
Modal verbs
Everyone should take part in saving the earth.
He can’t play the guitar.
They may have finished the task month.
1. 情态动词+过去分词
2. 情态动词没有人称和数的变化。
3. 常用的情态动词有：can/could, may/ might, must/have to,
should/ought to, would, need等。
…
1.Her brother be at home now, because he was seen playing basketball in the gym just now.
A.can't B. needn't C. mustn't D. shouldn't
2. --- I finish my work now
---No, you . You can do it later.
A. May;needn't B.Must;don't have to C.Can;couldn't D.May;can't
3.---Can we play soccer here
---No, you play it near the road. That's too dangerous!
A. can B. may C.won't D.mustn't
4.--- I take photos here
---No, you mustn't. Don't you see the sign "NO PHOTOS"
A. Would B.Should C.Must D.May
5. I go now, or I'll miss my train.
A. can B. might C. must D. could
Exercise5
新课探究
4a Fill in the blanks with the correct forms of the verbs in brackets.
Joe: you ever (take) part in an environmental project
Ken: Yes,I have. I (help) with a Clean-Up Day last year.
It was (consider) the biggest clean-up project this city_____ ever (have)
Joe: How many people (take) part
Ken:I (think) more than 1,000 people (come) to help out.
Joe:That's fantastic! I guess everyone in this city is (try) to improve the environment.
Ken:Yes,we can't afford to (wait) any longer to take action!
Have
taken
helped
considered
had
had
took
think
came
trying
wait
新 课 探 究
Presentation
新 课 探 究
Practice
Joe: _________ you ever ______ (take) part in an environmental project
Eric: Yes, I have. I __________ (help) with a Clean-Up Day last year. It was __________ (consider) the biggest clean-up project this city __________ ever ___________ (have).
Joe: How many people ____________ (take) part
Eric: I _________ (think) more than 1,000 people __________ (come) to help out.
Joe: That’s fantastic! I guess everyone in this city is ___________ (try) to improve the environment.
Eric: Yes, we can’t afford to ________________ (wait) any longer to take action！
Have
helped
trying
had
taken
considered
had
took
think
came
wait
4a Fill in the blanks with the correct forms of the verbs in brackets.
4b Fill in the blanks with the appropriate modal berb from the box.
新 课 探 究
Practice
can would could have to should must may/might
must
may/might
can
can
have to
can
can
should
can
4c Make a list of things that people can do to help the environment and discuss your list with your partner.
use public transportation (n.交通运输);
turn off the lights when you leave a room;
use reusable bags instead of plastic bags;
ride your bike or walk to school or work;
stop using paper napkins (n. 餐巾纸);
recycle books and paper…
新 课 探 究
Practice
Discussion
I think that everyone should use public transportation.
I disagree. It’s difficult
for parents with young children to use public transportation…
新 课 探 究
Practice
六
种
时
态
课 堂 小 结
Summary
THANK YOU