英語人教版七年級下冊Unit 4 Section B 1a-1d.ppt

Unit4Don teatinclass SectionA 聽說課2 John Hi myname sJohn It s atschool Alice Hi John I mAlice Thisisagreatschool butthereare John Really are therules Alice Well don t class Thisisvery John OK we we musicplayers school Alice No wecan t Andwealways wearthe John Alice Oh andwe inthelibrary my first day a lot of rules What some of be late for important so must be on time Can bring to have to school uniform I see also have to be quiet GrammarFocus 1 祈使句是表示請求 命令 叮囑 號召 勸告等的句子 通常省略主語you 句中謂語動(dòng)詞用動(dòng)詞原形 句尾一般用降調(diào) 祈使句的開頭是動(dòng)詞原形 祈使句有肯定和否定兩種 e g Lookout 小心 Waithereforme 在這等我 Grammar Comein please 請進(jìn) Sitdown please 請坐 Let sgohome 我們回家吧 否定的祈使句是在動(dòng)詞前 即句首 加Don t e g Don ttalkinclass 不要在課常上講話 Don topenthewindow 別開窗 Don tbelateforschool 上學(xué)別遲到 Don tsmoke 別吸煙 1 Sitdown 2 Comein 3 Doyourhomeworkatschool Don tsitdown Don tcomein Don tdoyourhomeworkatschool 把下列祈使句改成否定句 2 情態(tài)動(dòng)詞haveto must的用法 haveto意思是 必須 不得不 它側(cè)重于客觀上的必要和外界的權(quán)威 1 結(jié)構(gòu) 主語 haveto 動(dòng)詞原形 其他 一般現(xiàn)在時(shí) 主語是第三人稱單數(shù)時(shí) 用hasto 句子是過去時(shí) 用hadto 如 Wehavetowearsneakersforgymclass 在體育課上 我們必須穿運(yùn)動(dòng)鞋 Tomhastopracticetheguitareveryday 湯姆每天必須練習(xí)彈吉它 Ihadtogetupat5 00amlastMonday 上周一 我不得不早上5點(diǎn)起床 2 否定形式 主語 don thaveto 動(dòng)詞原形 其他 一般現(xiàn)在時(shí) 主語是第三人稱單數(shù)時(shí) 用doesn thaveto 句子是過去時(shí) 用didn thaveto e g Nickdoesn thavetowearauniform 尼克不必穿制服 Wedidn thavetodoourhomeworkatonce 我們不必馬上完成作業(yè) 3 疑問句 Do Does或Did 主語 haveto 動(dòng)詞原形 其他如 Doyouhavetostayathomeonweekends Yes Ido No Idon t 周末你必須呆在家里嗎 是的 我必須 不 我不必 Didhehavetogotobedby11 00lastnight 昨晚 他不得不11點(diǎn)前上床睡覺嗎 must意思是 必須 它側(cè)重于主觀的意愿 后跟動(dòng)詞原形 沒有人稱 數(shù) 時(shí)態(tài)的變化 eg Forastudent Imuststudyhardeveryday 作為一名學(xué)生 我必須每天努力學(xué)習(xí) 1 表示能力 會(huì) 能 在第一冊中已經(jīng)學(xué)習(xí)這種用法 例如 Canyouplaytheguitar 你會(huì)彈吉它嗎 JudycanspeakalittleChinese 朱蒂會(huì)說一點(diǎn)中文 Icandanceandsing 我能唱歌又能跳舞 3 情態(tài)動(dòng)詞can的用法 2 表示允許 許可 可以 能 在這一課中新學(xué)的詞義 例如 Canthestudentsruninthehallways 學(xué)生們可以在走廊上跑嗎 Wecaneatoutside 我們可以在外面吃東西 CanIcomein 我能進(jìn)來嗎 3b Usethewordstomakequestionsabouttherules Bequiet Q Doesshehavetobequietinthelibrary she haveto inthelibrary A Yes shedoes Eat Q he haveto inthedininghall A Doeshehavetoeatinthedininghall Yes hedoes Listentomusic Q we can inthehallways A Wearahat Q we can intheclassroom A Canwelistentomusicinthehallways No wecan t Canwewearahatintheclassroom No wecan t 1 late don t forschool arrive 2 music listento intheclassroom don t 3 eat can t intheclassroom we Don tarrivelateforschool Don tlistentomusicintheclassroom Wecan teatintheclassroom Formsentences 組句 4 sportsshoes you wear for gymclass haveto 5 too I many rules have in myhouse Youhavetowearsportsshoesforgymclass Ihavemanyrulesinmyhouse too 3a Writetherulesfortheschoollibrary LibraryRules 1 2 3 4 Don ttalk Don teat Don tlistentomusic Don ttakephotos SchoolRulesDon tfight 不準(zhǔn)打架 Don tarrivelateforschool 不準(zhǔn)上學(xué)遲到 Don truninthehallways 不準(zhǔn)在走廊跑 Don tsmoke Nosmoking 不準(zhǔn)吸煙 禁止吸煙 wearauniformatschool 在校穿校服 Greetthemwhenyoumeettheteachers 見到老師要問好 一聲問候 Keepquietintheclassroom hallways 保持教室 走廊安靜 兩個(gè)輕聲 Keepourselves ourclassroom ourschoolcleanandtidy 保持個(gè)人 教室 學(xué)校整潔 三處整潔 1 Canweruninthehallways 2 Canweeatinclass 3 Canweplaybasketballontheplayground No wecan t 根據(jù)校規(guī)補(bǔ)全對話 No wecan t Yes wecan 4 Canwelistentomusicinthemusicroom 5 Canwetalkloudlyintheclassroom Yes wecan No wecan t 6 Canwefightwithourclassmates No wecan t Don twalk Doyouknowthesesignsinacity Whatdotheymean Whatcan can twedo Walk Run Don trun Turnright Don tturnright Don tturnleft Nosmoking Becareful Noparking 知識(shí)運(yùn)用 根據(jù)句意 用can can t must或have hasto填空 1 MrGreensmokehere becausethere sasignonthewall Itsays Nosmoking 2 It sveryhotoutside You wearahat 3 Weeatinclass becauseit simpolitetoteachers 4 Igotobedafter11 00onschoolnight 5 We bequietinthereadingroom 6 Ieatintheclassroom 7 Doyou wearyouruniformatschool 8