1、 Today,Many wild animals have been endangered.Why are they endangered?Firstly,so Besides,in order to not onlybut also Because.For ourselves,For the government,pollutehave no placekill them to eat/make clothes/make moneystop eating/buying/pollutingdevelop laws tosome conjunctions you may useso,althou
2、gh,if,but,when,not onlybut also,becauseNo sale no killing.没有买卖，就没有杀害。没有买卖，就没有杀害。Protecting wild animals is just protecting ourselves.保护野生动物就是保护我们人类自己。保护野生动物就是保护我们人类自己。Dont let our children can only see todays animals in the museums.不要让我们的孩子只能在博物馆里才不要让我们的孩子只能在博物馆里才能见到今天的动物。能见到今天的动物。Unit 13 Were tryin
3、g to save the earth!B1&Grammar FocusLearning goals1.key words:recycle,napkin2.To know the importance of protecting the environment and taking actions to protect the environment.3.To review the use of Present progressive,used to,Passive voice,Present perfect and Modal verbs.What can we do to help sav
4、e the earth?Turn off the lights when you leave a roomTake the bus instead of drivingReduce using paper napkins Recycle books and paperTurn off the shower while we are washing our hairWhat can we do to help save the earth?plant more treesRank these items from the easiest(1)to the most difficult(5).Sh
5、are with your partner._ stop riding in cars_ recycle books and paper_ turn off the lights when you leave a room_ turn off the shower while you are washing your hair_ dont use paper napkins1av.回收利用；再利用Recycling paper is really easy.I agree.But its hard to stop riding in cars.54132While-listeningListe
6、n and check()the things that Julia and Jack talk about.Things Julia and Jack talk aboutThings Julia is doing nowThings Julia will do in the futureThings Julia would never do_ turning off the lights_ turning off the shower_ not using paper napkins_ taking your own bags when shopping_ not riding in ca
7、rs_ riding a bike_ recycling paper 1c While-listeningListen again.Check()the things that Julia is doing now,the things she will do in the future and the things she would never do.1d Jack:Turn off the lights,Julia.It saves electricity.Julia:Oh,I usually do that.I was just in a hurry.Jack:I see.Ive ju
8、st read a book which gives ideas about how we can save the environment.For example,you should turn off the shower when youre washing your hair.Julia:Oh,I would never do that.I have very short hair.It only takes a few minutes to wash.What else does it say?Listen and read.Jack:You should take your own
9、 bags when you go shopping.Julia:Oh,thats easy.Ill do that from now on.What else?Jack:People should stop riding in cars and start riding bikes.Julia:No way!It would take me 45 minutes to get to school by bike!Jack:But its good for the environment!Besides,I like riding my bike.Julia:Yes,and you also
10、live close to school!Post-listeningMake a conversations using the information from the chart above.Say what is true for you.We really shouldnt use paper napkins,you know.I know.I stopped using them last year.Pair workPay attention to the sentences.1.Were trying to save the earth.2.The river used to
11、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 progressiveused toPassive voicePresent perfectModal verbs现在进行时现在进行时:Present progressive结构结构:be(am/is/are)+v.-ing形式形式标志词：标志词：look,listen,now,right no
12、w e.g.Listen!The boy is singing.Its always raining here.(抱怨情绪抱怨情绪)定义：定义：表示说话时表示说话时(瞬间瞬间)正在进行正在进行的动作的动作,也也表示表示目前或现阶段正目前或现阶段正在进行的在进行的动作，或说话动作，或说话者的者的强烈情感强烈情感。v.-ing形式形式(现在分词现在分词)的的构成：构成：a.一般情况下在动词词尾加一般情况下在动词词尾加-ing。b.以不发音的以不发音的e结尾的动词，去掉结尾的动词，去掉e加加-ing。c.以一个辅音字母结尾的重读闭音节，双写以一个辅音字母结尾的重读闭音节，双写最后最后一个字母，再加一
13、个字母，再加-ing。d.以以ie结尾的结尾的ie改为改为y,再加上再加上ing。lie-lying,tie-tying,die-dyingused to do sth.过去过去常常做某常常做某事事(而现在不而现在不做做了了)1)否定句式：否定句式：didnt use to do sth.2)一般疑一般疑问句式：问句式：Did+主语主语+use to do sth.?3)附加疑问句附加疑问句式：式：,didnt+主语主语?e.g.He used to eat shark fin soup.used to do&be used to doingbe used to(doing)sth.习习惯惯于
14、于(做做)某某事事e.g.Im used to walking to school now.The city is hot and wet and I have been used to it.被动语态：被动语态：Passive voice定义：表示主语是动作的定义：表示主语是动作的承受承受者者结构结构：be+过去过去分词分词 e.g.A new school was built last year.The knife is used to cut things.A party will be held this Friday.不同时态的被动语态结构不同时态的被动语态结构(以动词以动词do为例
15、为例):一般现在时一般现在时:am/is/are+done一般一般过去时过去时:was/were+done一般将来时一般将来时:will/is(/am/are)going to+be+done含情态动词含情态动词:can/may/must.+be+done结构结构:has/have+过去分词过去分词标志词标志词:already,yet,ever,never,just,before,once,twice,recently,so far,for+时间时间,since+时间点时间点/从句。从句。定义：表示动作已经完成定义：表示动作已经完成,但但对现在造成影响对现在造成影响;或者表示从过去或者表示从过
16、去某一时间开始一直某一时间开始一直延续延续到现在并还可能持续下去的动作到现在并还可能持续下去的动作现在完成时现在完成时:Present perfect过去分词的构成：过去分词的构成：a.一般情况下，在动词后加一般情况下，在动词后加-ed。stayedb.以以e结尾的动词后只加结尾的动词后只加-d。lvedc.以以辅音字母辅音字母y结尾的动词结尾的动词，将，将y改成改成i再再加加ed。study-studiedd.以重读闭音节结尾的动词以重读闭音节结尾的动词，双，双写末尾的写末尾的辅音辅音字母再加字母再加-ed。chat-chattede.不规则动词的变化形式需要专门记忆。不规则动词的变化形式需
17、要专门记忆。have been to 去去过某地过某地,说话时已从该地说话时已从该地回来。回来。have gone to 去去了某地了某地,说话时或许在途中说话时或许在途中,尚未返回。尚未返回。have been in 已已在在某地某地,常与表示一段时间的状语连用。常与表示一段时间的状语连用。e.g.Jim has gone to London with his family.The Greens have been in China for two years.Have you been to Beijing before?have been to,have gone to&have bee
18、n in 情态情态动词本身有一定的词义动词本身有一定的词义,表示说话人的表示说话人的情感、情感、态度态度或或 语气语气,但不能但不能单独作谓语单独作谓语,只能与其他动词构成谓语。只能与其他动词构成谓语。常见的常见的情态动词情态动词有有:can,could,may,might,must,need,shall,should,will,would,have to等等。情态情态动词动词 Modal verbs 情态情态动词动词无人称和数的变化无人称和数的变化,后接动词后接动词原形。原形。否定否定式式是在情态动词后面加是在情态动词后面加not。个别个别情态动词有过去式形式情态动词有过去式形式,可用来表达
19、可用来表达更加客气、委婉的语气更加客气、委婉的语气。e.g.Ken can climb up the trees like a koala.Tracy could ride a bicycle when she was five years old.You mustnt play with fire.It is dangerous.4aFill in the blanks with the correct forms of the verbs in brackets.Joe:_ you ever _(take)part in an environmental project?Eric:Yes,
20、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:Thats fantastic!I guess everyone in this city is _(try)to improve the environment.Eric:Ye
21、s,we cant afford to _(wait)any longer to take action!Have takenhelpedconsideredhadhadtookthinkcametryingwaitafford 侧重侧重“有经济能力买有经济能力买”buy侧重侧重“购买购买(这一行为这一行为)”afford&buy afford v.承担承担得起得起;买得起买得起;提供提供,给予给予 常与常与can,be able to等连用等连用,多多用于否定用于否定句或句或疑问句。疑问句。afford sth.买得起买得起/承受承受得起某物得起某物 afford to do sth.有能力
22、有能力做某做某事事/负担负担得起做某事得起做某事【语境应用语境应用】用用afford或或buy的的 适当适当形式填空。形式填空。1)They cant _ to send their children to college.2)Can you _ a new car?3)Helen _ some fruit on her way home yesterday.affordaffordbought4bFill in the blanks with the appropriate modal verbs from the box.People _ think that big things _ b
23、e done to save the earth.Many forget 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 its a great idea that you now _ pay for plastic bags in some stores.And
24、instead of driving to school or work,you _ ride your bike or walk.If its far,you _ take the bus.All these small things _ add up and become big things that _ improve the environment.Lets take action now!may/mightmust/have tocan,would,could,have to,should,must,may/mightcan/could/shouldcan/could/should
25、have to can/could/shouldcan/could/wouldcan/couldcan/couldBeginningEndingBody我们城市正在进行创文建设，我们要积极参加创文建设活我们城市正在进行创文建设，我们要积极参加创文建设活动，从小事做起，让我们的家乡变得更美。作为学生，请动，从小事做起，让我们的家乡变得更美。作为学生，请以以“Start out small”为题，用英语写一篇倡议书。为题，用英语写一篇倡议书。use public transportation(n.交通运输交通运输)turn off the lights when you leave a room
26、use reusable bags instead of plastic bags ride your bike or walk to school or work stop using paper napkins(n.餐巾纸餐巾纸)recycle books and paper obey the rulesWriting:1.You are not allowed to play with fire in the forest.It _ kill plants,animals and even people.A.might B.might not C.shouldD.should not 2
27、.Allen,shall we go to the bookstore this afternoon?Im sorry.David,but I _ meet my cousin at the train station.A.have to B.can C.may D.could 3.According to the traffic law,children under 12 _ ride bicycles on the road.A.wont B.wouldnt C.neednt D.mustnt 4.I _ be late,so dont wait for me to start the m
28、eeting.A.mustnt B.neednt C.need D.may AADD1.Since 1989,Project Hope _ millions of young people from poor families achieve their dreams of going to school.A.will help B.helps C.has helped D.is helping 2.Be quick,Sara!The taxi is waiting for us outside.A moment,please.I _ some visitors our products.A.
29、showed B.am showing C.was showing D.show 3.Its 20 years since we came back to Liangshan.How time flies!We_ in our hometown for such a long time.A.WorkB.worked C.has worked D.have worked 4.Our city,Shaoyang,is getting cleaner and cleaner day by day.Yeah.We _ a national modern,civilized hygiene(文明卫生文明
30、卫生)city.A.create B.are creating C.created CB&DB1.How delicious the cake is!It _ by my grandmother this morning.A.made B.is madeC.was made 2.Mr.White,when shall I hand in my report?As soon as it _ tomorrow.A.finishes B.will finishC.will be finished D.is finished 3.Many successful businessmen _ to Hai
31、nan to give advice on how to build Hainan Free Trade Port.A.invite B.are invited C.are inviting 4.Your hometown is famous for tea,right?Yes.Now tea plants _ on most mountains here.A.will grow B.are grown C.were grown 5.Diana used to _ to work,but now she is used to _ because the road is crowded and she wants to keep fit.A.drive,walk B.drive,walking C.driving,walk CDBBB1.List at least four things you can do for our enviroment.2.Preview the article Rethink,Reuse,Recycle.
