统编版语文五年级上册快乐读书吧：从前有座山 （课件）.pptxVIP

Unit2Letscelebrate!Usinglanguage

Warmup1Whatdothewordsinboldindicate:anorderarequest,abilityorpossibility?2Willthemeaningofsentence(a)changeifwereplacecouldwithmustormight?3Whathappensifwechangemust”andmightinsentences(b)and(c)into“could?

Whatisit?GuessItmaybe...Itcantbe...Itmustbe...Itcouldbe...

Whatdothewordsinblueindicate:anorder,request,abilityorpossibility?Lookatthesentencesfromthereadingpassageandanswerthequestions.Activity1aThatiswhyLettersfromFatherChristmascouldbetheperfectbook…bThechildrenmusthavebeenveryexcitedastheyopenedit.c…theymightnotreceivetheirpresentsiftheywerenotgood.命令要求能力可能性

ThatiswhyLettersfromFatherChristmascouldbetheperfectbook…ThatiswhyLettersfromFatherChristmasmustbetheperfectbook…ThatiswhyLettersfromFatherChristmasmightbetheperfectbook…Possibility:mustcouldmight2Willthemeaningofsentence(a)changeifwereplacecouldwithmustormight?yes

Thechildrenmusthavebeenveryexcitedastheyopenedit.Thechildrencouldhavebeenveryexcitedastheyopenedit.…theymightnotreceivetheirpresentsiftheywerenotgood.…theycouldnotreceivetheirpresentsiftheywerenotgood.surenotsosurePossibletoreceivetheirpresentsImpossibletoreceivetheirpresents3.Whathappensifwechangemustandmightinsentences(b)and(c)intocould?Nowlookformoresentenceswithmodalsinthereadingpassage.

Possibility:___________________________mustcan/couldmay/mightnot__________________________can’t/couldn’tmay/might

TranslationThatiswhyLettersfromFatherChristmascouldbetheperfectbook...Thechildrenmusthavebeenveryexcitedastheyopenedit.这就是为什么《圣诞老人的来信》可能是一本完美的书。孩子们打开它的时候一定很兴奋。情态动词+do，表示对现在的推测情态动词+havedone，表示对已发生情况的推测

情态动词(modals)没有_____、_____的变化必须和____________构成谓语用来表示______、_______、______人称数其他动词态度愿望推测

Activity2Rewritetheunderlinedsentencesintheconver