Unit3DiscoveringUsefulStructures导学案高中英语人教版(1).docx

DiscoveringUsefulStructuresThepresentperfectpassivevoice导学案

Talkaboutsomethingthathasbeendone

Learningobjectives:

Tolearnsomebasicwordsandexpressionsaboutthepartofdiscoveringusefulstructures

ToIdentifyandsummarizetheformandthefunctionofthepresentperfectpassivevoice,anduseittodescribethechangestheInternetbringstoourlife.

Learningkeypoints:

ToIdentifyandsummarizetheformandthefunctionofthepresentperfectpassivevoice,anduseittodescribethechangestheInternetbringstoourlife.

Learningdifficultpoint

DescribethechangesthattheInternethasbroughttopeopleslivesinthepassivevoiceofthepresentperfecttense.

Preclassvocabularyimplementation

Words:（单词）

functionbattery

confirm WiFi

press button

file

Lexicalchunk(词块）

Downloadthesoftware copythefile

verbform identitycard

WiFipasswordOnlinedatabase

WorldWideWeb

Learningprocedures：

Step1:leadin

Lookatsomepicturesaboutmultimediadevice,suchastelephone,puter,laptop,scanner,andsoon.AskthestudentsWhattheycansee?Askthemwhethertheyhavenoticedthebigchangesinourdaily?Thesenewdeviceshavebeenusedinrecentyears.andmadeadifferenceinourdailylife.

Step2:Underlineandparethedifferentverbformsandwritedowntheirstructures

ActiveTheInternethasgreatlyimprovedJan

Active

TheInternethasgreatlyimprovedJan’slife.

PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.

Passive

Passive

Jan’slifehasbeengreatlyimprovedJan’slifebytheinternet.

Muchhasbeenwrit