高中英语 Unit2 Healthy Eating教案1 新人教版必修3Word格式文档下载.docx

高中英语 Unit2 Healthy Eating教案1 新人教版必修3Word格式文档下载.docx

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能

力

知识内容

Modalauxiliaryverbsgivemoreinformationaboutthefunctionofthemainverbthatfollowsit.Theirfunctionscanallberelatedtoascalerangingfrompossibility（can）tonecessity（must）.

等级水平

（A）识记

（B）理解

（C）应用

（D）分析

（E）综合

（F）评价

能力目标

Usepropermodalverbstoexpresscertainmoodsarisenindifferentlanguagesituations.

过程

方法

Understandthroughreadingthematerialsanddiscussions.

Basedonunderstanding,guideduseofthemodalverbsinsimulatedsituations.

Independentpracticeforconsolidation.

情感

态度

价值观

Communicationisnotonlytocommunicatefactsbutalsomoodsandfeelings.

Goodcommunicationofmoodsandfeelingsisamostimportantpartofeffectivecommunication.

设

计

重点难点分析

Functionandpropertiesofmodalverbs.

Practicaluseofmodalverbs.

教学

技术

设备

Multi-media

环

节

习

1、学习的主要知识

Functionandusageofmodalverbs.

2、需要掌握的方法

Situationcenteredpractice

课

题

概

述

本节知识的主要意义

Goodcommunicationofmoodsandfeelingswithmodalverbsisamostimportantpartofeffectivecommunication.

本节知识在知识体系中的地位和联系

“Modalverb+do”isoneofthewaysoffivewaysofhowthepredicateisformed.

石家庄市第一中学教案

教学环节

分析讲解

学生活动设计

Stepone

Introduction

IntheEnglishlanguage,amodalverbisanauxiliaryverbthatcanbeusedtochangethegrammaticalmoodofasentence.Thekeywaytoidentifyamodalverbisbyitsdefectiveness（theyhaveneitherparticiplesnorinfinitives）.

ThemodalverbsinEnglishareasfollows,pairedaspresentandpreteriteforms:

shallandshould

willandwould

mayandmight

canandcould

must

Thefollowingarenotmodalverbsbutmaybeusedforasimilarpurpose:

oughttoandhadbetter

usedto

dareandneed

do

goingto

haveto

Howthemodalverbsareused（I）

Shallandwill

Shallisusedinmanyofthesamesensesaswill,thoughnotalldialectsuseshallproductively,andthosethatusebothshallandwillgenerallydrawadistinction（thoughdifferentdialectstendtodrawdifferentdistinctions）.Instandard,perhapsold-fashionedEnglish,shallinthefirstperson,singularorplural,indicatesmerefuturity,butinotherpersonsshowsanorder,commandorprophecy:

"

Cinderella,youshallgototheball!

"

Itis,therefore,impossibletomakeshallquestionsinthesepersons.Shallwe?

makessense,shallyou?

doesnot.

Shallderivesfromamainverbmeaningtoowe,andindialectsthatusebothshallandwill,itisoftenusedininstanceswhereanobligation,ratherthananintention,isexpressed.

Shallisalsousedinlegalandengineeringlanguagetowritefirmlawsandspecificationsasintheseexamples:

Thoseconvictedofviolatingthislawshallbeimprisonedforatermofnotlessthanthreeyearsnormorethansevenyears,"

and"

Theelectronicsassemblyshallbeabletooperatewithinitsspecificationsoveratemperaturerangeof0degreesCelsiusto70degreesCelsius."

Should

Shouldiscommonlyused,evenindialectswhereshallisnot.Thenegationis"

shouldnot"

（orthecontraction"

shouldn'

t"

）.

Shouldcandescribeanidealbehaviouroroccurrenceandimpartsanormativemeaningtothesentence;

forexample,"

Youshouldneverlie"

meansroughly,"

Ifyoualwaysbehavedperfectly,youwouldneverlie"

;

Ifthisworks,youshouldnotfeelathing"

Ihopethiswillwork.Ifitdoes,youwillnotfeelathing."

Indialectsthatuseshallcommonly,however,thisrestrictiondoesnotapply;

forexample,aspeakerofsuchadialectmightsay,"

IfIfailedthattest,IthinkIshouldcry,"

meaningthesamethingas,"

IfIfailedthattest,IthinkIwouldcry."

Insomedialects,itiscommontoformthesubjunctivemoodbyusingshould:

Itisimportantthatthelawshouldbepassed"

（whereotherdialectswouldsay,"

Itisimportantthatthelawbepassed"

）or"

Ifitshouldhappen,wearepreparedforit"

（or"

Shouldithappen,wearepreparedforit"

whereearlyModernEnglishwouldsay,"

Ifithappen,wearepreparedforit,"

andmanydialectsoftodaywouldsay,"

Ifithappens,wearepreparedforit"

Mayandmight

Mayandmightdonothavecommonnegativecontractions（equivalentstoshan'

t,won'

t,can'

t,couldn'

tetc）,althoughmightn'

tcanoccurinaskingquestions.（"

Mightn'

tIcomeinifItookmymuddybootsoff?

asareplyto"

Don'

tcomeinhere!

You'

llgetthefloordirty!

）

Bothformscanbeusedtoexpressapresenttimepossibilityoruncertainty（"

Thatmaybe."

）.Mightandcouldcanalsobeusedinthissensewithnopasttimemeaning.Mightandmaywouldcarrythesamemeaningin"

Johnisnotintheofficetoday,andhecouldbesick."

Mayisalsousedtoexpressirrelevanceinspiteofcertainorlikelytruth:

HemaybetallerthanIam,butheis