Unit+2+Let’s+celebrate+Using+language+学案 高中英语外研版（2019）必修第二册.docxVIP

B2U2Usinglanguage—Modals(2)

语法感知：

1．Thechildrenmusthavebeenveryexcitedastheyopenedit.

2．Theletterswerealsobeautifullyillustrated—eachmusthavetakenitstrueauthor...

3．Inanotherletter，FatherChristmascomplainedabouthowhecouldnotstophishelpers...

4．Interestingly，thelettersdidnotcontaintheusualwarningstochildrenthattheymightnotreceivetheirpresentsiftheywerenotgood.

5．...wecanallsharethetruespiritofgivingatChristmastime.

Summary:

1．以上句子中，句3和句5中的情态动词表______________。

2．句4中的情态动词表。

3．句1和句2中的musthavedone表，意思是“”。

1．can与could的用法

1)表_______(could是过去式):

ShecandoshoppingontheInternet，butshecouldntlastyear.

2)表________，“可能，有时候会”

(can一般用于疑问句和否定句，could常用于肯定句)

Canthisnewsbetrue?Itcouldbetrue.

3)表_________________(could表更委婉的语气，回答时只能用can):

—Can/CouldIgonow?—Yes，youcan.

4)用于肯定的陈述句中，表__________________________:

Asweallknow，anyonecanmakemistakes.

5)习惯用法:“cannot/cannever...too...”表“_______________________”

Youcannotbetoocareful.

Wecannot/canneverthankyoutoomuchforwhatyouvedoneforus.

选出下列句中can/could的含义

A.表示能力B.表示推测C.表示请求和许可D.表示理论或习惯上的可能性

①Ibelievethathecan’tbesorude.

②IcanspeakEnglishfluentlywhilehecan’t.

③ScotlandcanbeverywarminSeptember.

④—Couldyoupleasecleanthisroom?—Yes，Ican.

2．may与might的用法

1)表______________(might在语气上比may更委婉)

以may/might开头的问句在否定回答中要用mustnt/cant：

—May/MightIplaycomputergamesaftersupper?

—Yes，youmay./No，youmustnt/cant.

2)表把握不大的__________，意为“可能”，用于肯定句(might语气更加不确定):

Themedicinemay/mightwork，butImnotsure.

Hetoldmehemightbelate.

3)may用于祈使句中表_____________:Mayyousucceed.

4)固定短语：“________________________”，“_______________”:

Nowthatyouhavetheopportunity，youmightaswellmakefulluseofit.

写出下列句中may的用法

①Mayyoubehappy！表

②Ithinkhemaycometoday.表

③Thereisasetofrulestoshowwhatmembersmayandmaynotdo.表