祈使句的用法-“黃岡杯”一等獎(jiǎng)

人教版初中英語七年級(jí)下冊(cè)第四單元《Don'teatinclass》新疆巴州和靜縣第二中學(xué)主講人：張國(guó)輝-祈使句的用法目錄CONTENTSLead–inPresentationExerciseSummaryImperativesentence一、Lead–in:1.Listentoasong.Touchyoureyes,please.Touchyournose,please.Touchyourmouth,please.Touchyourears,please.Standup,please.?Sit

down,please.一、Lead–in:2.Imperativesentenceeg:

Goandwashyourhands.

Bequiet,please.(Pleasebequiet.)

Bekindtooursisters.

Watchyoursteps.

Don`t

arrivelateforclass

Keepoffthegrass.

Nofishing.定義：用于表達(dá)命令、請(qǐng)求、勸告、警告、禁止等句子叫做祈使句，通常說話的對(duì)象是第二人稱you。主語you一般省略。二、祈使句的常見結(jié)構(gòu)1)肯定式：動(dòng)詞原形+其它成分2)否定式：Don't

+動(dòng)詞原形+其它成分eg:

Closethewindow.

Openyourbooks.eg:

Youcan`teatinclass!=Don't

eatinclass!

Youcan`t

talkinclass!=Don'ttalkinclass!1.大哥V二、祈使句的常見結(jié)構(gòu)please+動(dòng)詞短語（please也可放在句尾，其前面加逗號(hào)）3.三哥Peg:Pleasesit?down.相當(dāng)于Sit?down,please.2.二哥B1)肯定式：Be+其它成分eg:

Beagoodboy!

Bequiet！2)否定式：Don't

be+其它成分eg:

Don'tbenoisy

Don'tbelateforschool.二、祈使句的常見結(jié)構(gòu)之合作探究★1)肯定式：Let+人稱代詞賓格+動(dòng)詞原形+其它成分eg：

Let's

havearest!

Let'sgotoschool!eg：

Letusnot

drawonthedesk.

Lettheboynotpushthedoor.★2)否定式：Let+人稱代詞賓格+not+動(dòng)詞原形+其它成分1★有時(shí)，為了加強(qiáng)語氣，可以在動(dòng)詞之前加do。23★No+名詞/動(dòng)名詞表示禁止，含否定含義，經(jīng)常用于公共場(chǎng)所。eg:

Dositdown.

Dostudyhard.

eg:

Nosmoking!

Nophotos！二、祈使句的常見結(jié)構(gòu)之合作探究1.Guessing

Game三、學(xué)以致用Don'teat！Turnleft！Noparking！Turnright！三、學(xué)以致用2.Groupwork

Wearamask.(Dowearamask.)

Washyourhandsfrequently.

Covernoseandmouth.

Letfreshairin.

Gooutless.

Don'tgather.

Sitdown.

Comein.

Eatathome.

Listentomusicoutside.

Doyourhomeworkatschool.

Don'tsitdown.

Don'tcomein.

Don'teatathome.

Don'tlistentomusicoutside.

Don'tdoyourhomeworkatschool.3.唱反調(diào)Let'swriteChangethefollowingimperativesentencesintonegativeones.三、學(xué)以致用Summary祈使句，無主語，只用謂語就可以。表示請(qǐng)求或命令，加上please表客氣。Standup,ple