九年级英语Unit6 When was it inventedsectionA(grammar-4c)教学设计

九年级Unit6Whenwasitinvented.?(Grammar--4c)教学设计教学内容Unit6SectionA(Grammar--4c)课时第3课时教学目标1)学习掌握下列词汇：fridge,low,somebody,translate,lock,earthquake,sudden,allofasudden,biscuit,cookie,instrument2）进行一步复习巩固学习SectionA部分所学的生词和词组。3）能够掌握主动语态变被动语态的方法并熟练运用。4））能够用was/weredone结构来谈论发明物的发明时间和用途等信息5)了解中国古代四大发明和中国现代“四大发明”的相关信息，并在这个过程中增强自己的国家认同、家国情怀，更坚定文化自信。大胆地根据自己的想法创造出自己的“发明物”，并且坚信只要有一个有创造力的头脑，任何人都可以成为小小发明家。教学重点学习生词fridge,low,somebody,translate,lock,earthquake,sudden,allofasudden,biscuit,cookie,instrument一般过去时态的主动语态句子变为被动语态。教学难点能够用was/were

done结构来谈论发明物的发明时间和用途等信息。教学方法情境教学法、任务型教学法课前准备教师查阅相关资料、准备多媒体课件学生预习教材教学活动设计教师活动学生活动个人微调Step1Warming-up&lead-in1.Freetalkabouttea.Itisnotonlyapopulardrink,butalsoagreatinventioninChina.Doyouknowwhatitis?Whatdoyouknowaboutthetea?When?Who?How?Step2Presentation2.Ask

students

to

observe

the

sentences

and

find

out

the

similarities

and

differences

between

thesentences.3.Introduce

“

was/were

done

”

structure

and

its

function

and

how

to

translate

a

sentence

with

a

passive

voice

.

Introduce

“

am/is/are

done

”

structure

and

its

function

and

how

to

translate

a

sentence

with

a

passive

voice

.

4.Workin4b:

Complete

the

sentences

with

correct

forms

of

the

verbs

in

the

box.5.Let

students

to

compare

two

sentences

with

active

voice

and

passive

voice.

And

think

about

how

to

turn

a

sentence

with

the

active

voice

into

one

with

passive

voice.

Step3PracticeWorkon4a.Rewritethesentencesusingthepassivevoice.（add）Thebossinthisfactorymadetheworkersworkfor12hoursadayinthepast.Theworkersinthisfactoryworkfor12hoursadayinthepast.LeadSstopayattentiontothissentence,theteacherexplainsit.Step4Production1.Theteachershowapictureofaninvention.Itwasinventedbyherselfinthedreamlastnight.2.Groupwork:CreateourowninventionsWhatisyourinvention?Whowasitinventedby?Whatwasitusedfor?/whatisusedto?Writedownasmanysentencesaspossiblebyusingpassivevoice.Step6EmotionWhatarethefourgreatinventionsofancientChinaandThefournewgreatinventionsofChina?Ourworldwaschangedbygreatinventions.Ourlifewaschangedbysmallinventions.Youcantrychangingtheworld.Step5Summary1.Askstudentstosumupwhattheyhavelearned.1.英语中有两种语态，即和。主动语态表示，被动语态表示。2.一般过去时被动语态的构成：。3.一般过去时被动语态的几种句型。4.主动语态被被动语态的步骤：1）主动语态的变被动语态的。2）主动句中的谓语动词变。3）主动语态的变被动语态的，由引出，当不知道动作的执行者是谁，或没有必要指出动作的执行者，可省略。Step6.Homework:1.Writeashortpasssageabout“Myfavoriteinvention”.(Usingthepassivevoice)Haveafreetalkaboutteawiththeteacher.Find

out

the

similarities

and

differencesbetween

the

wordsandsumup.Think

about

how

to

turn

a

sentence

with

the

active

voice

into

one

with

passive

voice.Rewritethesentencesin4ausingthepassivevoice.TalkaboutthefourgreatinventionsofancientChinaandThefournewgreatinventionsofChinaWorkingroupsanddoareportaboutowninventions.Sumupwhattheyhave