人教新目标 (Go for it) 版九年级全册Section A第3课时教案

这是一份人教新目标 (Go for it) 版九年级全册Section A第3课时教案，共10页。


板书设计
Unit13 We’re trying t save the earth
第三课时（教学设计）
教学目标
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,affrd,turn ff,reusable,pay fr,take actin,transprtatin 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 t、被动语态、现在完成时、情态动词。
教学重点与难点
能正确区分和使用以下语法结构：现在进行时、used t、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。
教学准备
教具准备: ppt，教材，导学案
教学过程
老师活动
学生活动
设计意图
Lead-in
(4 minutes)
Greet the Ss
Shw Ss a vide and ask them what’s happening t the earth.
Ask Ss what caused the water pllutin and hw t slve it.
1.Greet the teacher.
2.Watch the vide and answer the questin.
Think abut what caused the water pllutin and hw t slve it.
创设情景，让学生在观看视频和图片后思考问题，提升学生思考能力。
Presentatin(30minutes)
Present Ss sme sentences
and ask them t find ut the grammar pints in these sentences.
After that wrk in grups and talk abut ne pint.
Grup ne
1.The river used t be clean.
2.The river didn’t use t be clean.
3.Did the river use t be clean ?
4.Yes,it did./ N, it didn’t.
1.肯定结构used t d sth
2.否定结构didn’t use t d sth /use nt t d sth
3.一般疑问句Did t d sth ?/Used... t d sth ? Yes,,’t.
Practice
Grup tw
Sme laws are develped t stp the pllutin.
These trees were cut dwn by the wrkers last night.
In the future , mre and mre wrk will be dne by the rbts.
Find ut the grammar pints in the sentences the teacher gives.
After that wrk in grups and talk abut ne pint.
After discussin,they need t share their results.
小组合作找出语法重点，然后每组选择一个语法点进行合作探究。
小组合作锻炼学生的自主探究能力以及小组协作能力。
4.I think teenagers shuld be allwed t chse their wn clthes.
被动语态构成 be+过去分词
一般现在时被动语态am/is/are+过去分词
一般过去时被动语态was/were+过去分词
一般将来时被动语态will+be+过去分词
有情态动词被动语态情态动词+过去分词
Practice
Grup three
1.Everyne shuld take part in saving the earth.
2.He can’t play the guitar.
3.They may have finished the task last mnth.
情态动词+动词原形
情态动词没有人称和数的变化
常见的情态动词
can/culd, may/might,
must/have t,shuld/ught t, wuld,need 等。
Practice
DDAC
Grup fur
Peple are thrwing rubbish t the river.
Factries are putting waste int the river.
现在进行时的结构be（am,is,are)
现在进行时含义
①表示正在发生或者进行的动作。
②表示当前一段时间内的活动或现阶段正在进行的动作。
标志性词nw, right nw,Lk! Listen !
Practice
CBB
Grup five
1.现在完成时的结构have/has+过去分词
2.现在完成时含义
①表示过去发生的事情对现在造成的影响。
②表示从过去某一时间开始一直持续到现在,并还有可能继续下去的动作。
3.标志性词 already, yet, ever, never, just, befre,nce, s far, recently, fr, since.
Practice
6.B 7.D 8.B
输出
（7minutes）
Wrk n 4a and check the answers.
Wrk n 4b and check the answers.
Wrk n 4a and 4b .Then check the answers.
After that, wrk in grups and talk abut 4c.After discussin,shw their results t their classmates.
当场完成教材上练习，检验课堂学习效果。
巩固语法的同时，也加深对环境话题的输入。
Wrk n 4c. Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
Eg：
Turn ff the lights when yu leave a rm.
Turn ff the shwer while yu are washing yur hair.
Recycle bks and paper.
合作讨论解决环保问题的方法和策略，培养学生。
通过讨论环境保护巩固目标语言。
Summary
(2 minutes)
Summarize what they have learned in this class.
Summarize what they have learned in this class.
总结本堂课的语法知识，深层次加工所学语言，加深印象。
Exercise
(2 minutes)
Ask Ss t finish the exercises n PPT.
Finsh the task and check the answers.
及时检测，及时掌握学生学习情况。
Hmewrk
1.Write 5 sentences with the language pints.
2.Make up 5 exercises with the skills.
3.Search fr infrmatin abut envirnmental prtectin and endangered animals.
Unit 13 We’re trying t save the earth
Sectin A Grammar Fcus
Used t d sth
被动语态
现在进行时
现在完成时
情态动词