泸教牛津版广州版七年级下册Unit-6-Electricity-grammar-教案、导学案

TeachingPlanUnit6ElectricitygrammarbyChenZihuiMay22,2019Teachingobjectives:Afterthislesson,studentscan:Learnaboutthemodalverbscan,mayandmust.Understandhowtousemodalverbstoexpressourfeelings,questionsandanswers.二、Teachingkeypoint:Positivesentence、negativesentence、Generalquestionsandanswerwith“Can\may\must”.Teachingdifficultpoint:Negativeanswertoageneralquestionof“must”.四、TeachingProcedures:PartILead-inWhatdoyouusuallydoathomeinyourfreetime?Johnnyisahelpfulboy.Today,hewantstohelphisfatherdosomehousework.Leadtomodalverbs:can,may,must.PartIIIntroducethemodalverbsinthislesson.Introducethedefinitionofmodalverbs.Discovertheuseof“can”:accordingtothemodalsentencesDiscussandtheninterviewyourpartneraboutwhathe/shecando.5.Findthedifferencesintheexamplesentencestointroducethemodalverb:may.Theusageandstructureofmay.6.Exercises:Use“may”toaskquestionsaccordingtothesituations.7.Findoutthewrongpartofthesentenceleadto“must”andthenintroducehowtousethemodalverb“must”.8.Discussandthenanswerwhatshouldwedoaccordingtosignsmean.PartIIIGuessingGame：Guessthejobsaccordingtothedescription.PartIV1.SummaryPartVHomework:1.Copytheknowledgepointsonthelearningguideintothetextbook.2.Usemodalverbstomakesomesentenceswithyourpartner.3.Completethepage78oftextbook.Unit6Electricitygrammar导学案PartILead-in1.Whatdoyouusuallydoathomeinyourfreetime?PartII2.Introducethemodalverbsinthislesson.情态动词具有一定的词义，但不能独立存在，须与动词原形一起构成谓语，表示说话人对动作的观点，如意愿、需要、可能或怀疑等。情态动词没有人称和数的变化。3.Discovertheuseof“can”:accordingtothemodalsentences情态动词can的用法

can

①beableto“能”，表示能力

Ican/amabletosinganEnglishsong.我可以唱一首英语歌曲。

②表示许可或请求对方允许，意为“可以”

CanIuseyourdictionary?我可以用你的字典吗？

③过去式：could

我十年前就能做到那样。Icoulddothat10yearsago.④否定式：cannot=can’t3.Interviewyourpartneraboutwhathe/shecando.Takenoteswith“√”andtryreportingittoothers.MypartnerisXXX.He/Shecan…….Buthe/shecan’t……4.Discussandtellwhatdothesignsmean.PartIII5.GuessingGame：Guessthejobsaccordingtothedescription.PartIV6.SummaryPartV7.Homework续表：情态动词用法否定形式及含义疑问句及回答共同点can①beableto“能”，表示能力②表示许可或请求对方允许，意为“可以”Cannot/can’t(不能)Can+主语+动原+其他？Yes,主语+can.No,主语+can’t/cannot.情态动词后要使用动词原形肯定句：主语+情态动词+动词原形+其他.否定句：主语+情态动词否定形式+动原+其他。一般疑问句：情态动词+主语+动原+其他？may①表示允许may表示许可或请求对方允许，意为“可以”，相当于can。

两者的区别在于：表示请求许可时，may更能表示礼貌或敬意。maynot(不可以)—May+主语+动原+其他？Yes,主语+may/can.