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Unit 13 Section A Grammar Focus-4c 导学案
班级： 姓名：
Unit 13 We’re trying to save the Section A
Grammar 第3课时
earth !
Focus
学习目标：
1.语言能力：在语境中理解、识记并运用本课时词汇：take part in,afford,turn
off,reusable,pay for,take action,transportation 等。
2.文化意识：能够用与污染相关的词汇，对环境污染和环境保护进行简单描述。
3.思维品质：能运用目标语言谈论污染问题，能在实际情景对话中认识解决空气污染和垃
圾污染的方法。
4.学习能力：能正确区分和使用以下语法结构：现在进行时、used to、被动语态、现在完
成时、情态动词。
学习重、难点：
能正确区分和使用以下语法结构：现在进行时、used to、被动语态、现在完成时、情态动
词。并能在灵活的语境中运用本课学习的语法结构。
自学
自学检测及课堂展示
指导
1.take part in____________ 2.afford______________
3.turn off_____________ 4.reusable_____________
课 前 5.pay for______________ 6.take
预习
action_____________
7.transportation______________
What’s happening to the earth ?
课 前
What caused the pollution ?
导入
What should we do to save the earth ?
1.The river used to be clean.
2.However, it is badly polluted.
知 识 3.Some laws are developed to stop the pollution.
呈现 4.People are throwing rubbish to the river.
5.Factories are putting waste into the river.
6.The government has taken actions.
7.Everyone should take part in saving the earth.
Group one
知 识
1.The river used to be clean.
呈现
2.The river didn’t use to be clean.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 13.Did the river use to be clean ?
4.Yes,it did./ No, it didn’t.
Practice
1.You used _________ (go) to school by bike，didn't you?
2. 我习惯于晚饭后打篮球。
I ____ ____ ____ _____basketball after dinner.
3.这种小刀是用来切东西的。
This kind of knife ____ ____ ____ ____ things.
4.He used to spend much time playing computer games.（改一般疑问句）
____ ____ ____ ____ ____ much time playing computer games?
Group two
1.Some laws are developed to stop the pollution.
2.These trees were cut down by the workers last night.
3.In the future , more and more work will be done by the robots.
4.I think teenagers should be allowed to choose their own clothes
Practice
1. The Secondary School Entrance Exam _______ (hold) in June.
2. A strange noise __________ (hear) by his mother last night.
3. A wide road _____________ (build) between the two villages by those people next year.
4.Actions should______________(take) to protect the earth.
Group three
1.Everyone should take part in saving the earth.
2.He can’t play the guitar.
3.They may have finished the task last month.
Practice
1. —Could you play the piano at the age of five?
—No, I ______. I started at six.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 2A. can’t B. shouldn’t C. needn’t D. couldn’t
2. —Must I return this book before Friday, Sir?
—No, you ________, dear. You can keep it for two weeks.
A. can’t B. shouldn’t C. mustn’t D. needn’t
3. —How long can I keep these books?
—According to the library rules, you ________ return them within 7 days.
A. must B. might C. could D.will
4. —You ________ take photos here! Look at the sign. It says “No photos”.
—Sorry, I won’t.
A. must B. need C. mustn’t D. needn’t
Group four
People are throwing rubbish to the river.
Factories are putting waste into the river.
1.make _______ 2.stop _______ 3.begin _______ 4.watch _______
5.buy ________ 6.save _______ 7.put ________ 8.listen _______
9.drive _______ 10.see _______
Practice
1. Look! Some old people ________ in the park.
A. sings B. sing C. are singing
2. —Don’t make noise! The children ________online.
—Sorry, I won’t.
A. studies B. are studying C. studied D. were studying
3. —Peter, what are you doing?
—Oh, I ________ a report about national heroes.
A. will write B. am writing C. wrote D. have written
Group five
1.The government has taken actions.
2.He has kept this book for two weeks.
3.Her grandfather has been dead for ten years.
4.My mother has gone to Hong Kong.
5.Mary has never been to the USA.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 31.clean _______ 2.live _______
3.study _______ 4.plan _______
5.put ________ 6.begin _______
7.teach________ 8.get _______
9.drive _______ 10.see _______
Practice
1.In the past few years, great changes__________ (take) place in Lianyungang.
2.I ___________ (not read) the book Little Women yet, but I'll let you read it first.
3.He ____________(not come) yet. What do you think has happened to him?
4.They __________________ (marry) for fifty years.
5.Linda_____________(live) here since she was five years old.
6.I _______ to the West Lake four times, but I will go there again this summer.
A．have gone B．have been C．had gone
7.—Where is Mr. Brown?
—He ________ Australia. He ________ there last year.
A．has been to; has been B．has been to; has gone C．has gone to; went
8.I _______Shijiazhuang for three years.
A.have been to B.have been in C.have gone to
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!
4b Fill in the blanks with the appropriate modal verbs from the box.
People _________ think that big things__________________ be done to save the earth. Many forget
输出
that saving the earth begins with small things. For example, you ______________ save electricity by
turning off the lights when you leave a room. You _______________ also use reusable bags instead of
plastic bags. I think it’s a great idea that you now _______ pay for plastic bags in some stores. And
instead of driving to school or work, you _______________ ride your bike or walk. If it’s far, you
__________ take the bus. All these small things __________ add up and become big things that
______________ improve the environment. Let’s take action now!
4c Make a list of things that people can do to help the environment and discuss your list with your
partner.
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 4___________________________________________________________________________________
一、用所给词的适当形式填空
1. The old man used _____ (be) a teacher.
2. We should _____ (clean) the room every day.
3. Look! Tom _____________ (sleep) in his room.
4. Lots of trees _______________(plant) on the hill every year.
5. He _________ (live) here for 20 years.
二、选择正确选项
1. He promised to pick me up . However, he_____ yet.
A. didn’t arrive B. doesn’t arrive C. isn’t arriving D. hasn’t arrived
课堂
练习 2. Ba Jin, one of the greatest writers in China, ___ as “People’s Writer”.
A. is regarded B. has regarded C. is regarding D. regards
3. —Where is Tom?
—He ______ in his room.
A. is reading B. reads C. read D. was reading
4. Her son _______ coffee, but now he ________ milk.
A. used to drink ; is used to drinking B. used to drinking ; drinks
C. is used to drinking ; used to drink D. is used to drink ; is drinking
1.Write 5 sentences with the language points.
2.Make up 5 exercises with the skills.
作业
3.Search for information about environmental protection and endangered animals.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 5【参考答案】
1. 参加 2.承担得起（后果）；买得起 3.关掉 4.可重复使用的；可再次利用的
课 前 5. 付费；付出代价 6.采取行动 7.运输业；交通运输
预习
It’s suffering from pollution.
The river used to be clean.However, it is badly polluted.
Even the bottom of the river is polluted.
People are throwing rubbish into the river.
课 前
Factories are putting waste into the river.
导入
The government has taken actions.
Some laws are developed to stop the pollution.
Everyone should take part in saving the earth.
Group one
知 识
呈现 1.肯定结构 used to do sth
2.否定结构didn’t use to do sth /use not to do sth
3.一般疑问句Did ...use to do sth ?/Used... to do sth
?
Practice
Yes,...did./No,...didn’t.
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 6Group two
Practice
Group there
Practice
DDAC
Group four
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 7Practice
CBB
Group five
Practice
6.B 7.D 8.B
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 8输出
4c. Turn off the lights when you leave a room.
Turn off the shower while you are washing your hair.
Recycle books and paper.
课堂
一、用所给词的正确形式填空
练习
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 9二、单项选择
DAAAA
学学学科科科网网网（（（北北北京京京）））股股股份份份有有有限限限公公公司司司 10
