unit6sectionb1a-1e教学课件1

《unit6sectionb1a-1e教学课件1》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit6Whenwasitinvented?SectionB，1a-1e&SelfCheckTeachingAims:1.tolearnandtousenewwordscrispysourbymistakecustomer2.tobeabletouse"thepassivevoiceofpasttense"Review:八大时态＆八大时态的被动语态★八大时态1.一般现在时:主语+动词原形/单三主语+动词的单三形式2.一般过去时:主语+动词的过去式3.现在进行时:主语+am/is/are/+v-ing4.过去进行时:主语+was/were+v-ing5.一般将来时:主语+will/shall+

2、动词的原形主语+begoingto+动词的原形6.过去将来时:主语+would+动词的原形主语+was/weregoingto+动词的原形7.现在完成时:主语+have/has+动词的过去分词8.过去完成时:主语+had+动词的过去分词★八大时态的被动语态1.一般现在时的被动语态：主语+am/is/are/+动词过去分词+bysb.(sb为宾格)2.一般过去时的被动语态：主语+was/were+动词过去分词+bysb.3.现在进行时的被动语态：主语+am/is/are/+being+动词过去分词+bysb.4.过去进行时的被动语态：主语+was/were+being+动词过去分词+bysb.5

3、.一般将来时的被动语态：主语+will/shall+be+动词的过去分词+bysb.6.过去将来时的被动语态：主语+would/should+be+动词的过去分词+bysb.7.现在完成时的被动语态：主语+have/hasbeen+动词的过去分词+bysb.8.过去完成时的被动语态：主语+hadbeen+动词的过去分词+bysbNewWords1.crispyadj.脆的；酥脆的2.souradj.酸的；有酸味的3.bymistake错误地；无意中4.customern.顾客；客户1aThewordsintheboxdescribehowfoodcantaste.Writethemundert

4、hecorrectpictures.Somepictureshavemorethanoneword.sweetcrispysaltysour————————————————————————___crispy____——————————————————1bWritethenameofadifferentfoodaftereachword.sweet_banana_crispy_______salty_________sour________1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.Thecustomerth

5、oughtthepotatoeswerenotthinenough.TF4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomerwashappyintheend.TF1cListenandcircleTfortrueorFforfalse.1dListenagain.Completethesentences.TheHistoryofPotatoChipsDidyouknowthatpotatochipswereinventedbymistake?Potatochi

6、ps______byacookcalledGeorgeCrum.Theywereinventedin________.GeorgeCrumcutthepotatoesreally,really_______andthencookedthemforalongtimeuntiltheywere________.Andheputlotsofsaltonthemsotheywere________.1eMakeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.A:Didyouknowpotatochipswer

7、einventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:...SelfCheck1.Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionnearlywebsiteallofasuddenItisoftendifficulttodecideon