【2022】新目标七年级下册英语知识点总结：Unit12+Dont+eat+in+class

Don’teatinclass!一、词组、短语don’t构成。arrive到达，抵达arriveat+小地点arriveatschool到达学校arrivein+ 大地点arriveinBeijing到达北京getto+地点gettoBeijing到达北京gethome到家getthere到那儿reach+地点reachBeijing到达北京reachhome到家get、arrive后接副词是，介词省略。belatefor+名词 „„迟到Hewaslateforschool.他上学迟到了。outside外) inside(里面)dininghall 餐厅，饭厅in/atschool在上学，在求学intheschool在学校里havetodosth不得不做某事onschoolnights上课期间的晚上toomany+可数名词太多” toomanybooks太多的书toomuch+ “太多”toomuchhomework太多的家庭作业Nosmoking!=Don’tsmoke! 请勿吸烟！Nofood!=Don’teatfood!禁止吃东西！No+名词（短语）或动词-ing形式，表示“不许，不可，不能”later后来，以后by“在„„.以前，到„„为止”Ishouldfinishedhomeworkbytomorrow.在明天之前我应该把作业做完。beinbed “睡觉，卧床inbed “卧病在床”inthebed “在床上”gotobed “上床睡觉”强调动作二、重点句型1.Don’tarrivelateforschool＝Don’tbelateforschool2.Don’tfight3.Don’tlistentomusicintheclassroom.4.Don’truninthehallways5.Don’tsmoke.It’sbadforyourhealth.6.Don’tplaycardsinschoolDon’ttalkinclassDon’twatchonschoolnights.Don’t sleep in class.Don’t play sports in theclassrooms.11.Don’tsingsongsatnight.12.Don’ttalkwhenyoueat.13.Don’twearhatsinclass.14.Do homeworkby15.Cleanyourhouse!Makethebed.Canwe……? Yes,wecan. No,wecan’t.Eg:Canwearrivelateforclass?No,wecan’t.Wecan’tarrivelateforclass.Doyouhavetowashyourclothes? Yes,Ido./No,Idon’t.三、重点句子Don’tarrivelateforclass.Don’truninthehallways.Don’tintheclassrooms.Don’tlistentomusicintheclassroomsorthehallways.Don’tfight.Whataretherules?Canwelistentomusic?Doyouhavetowearauniformatschool?Whatelsedoyouhavetodo?Don’tgooutonschoolPracticeyourguitareveryday.Ihavetoomanyrulesinmyfamily.Ican’tmeetmyfriendsafterschoolbecauseIhavetodomyhomeworklIhavetobeinbedbytenO’clock.IhavetohelpmyMommakedinner.Later,IhavetogototheChildren’sPalacetolearnthepiano.Ineverhaveanyfun,whatcanIdo?四、重难点精析祈使句听话人其构成通常有以下几种形式。Be型（即系动词原型be+表语＋其他如：Bequiet,please.否定句Don’t+be+表语+其他。如：Don’tbeangry.Do型（即系动词原形＋宾语＋其他Openyoubooks,please.否定句Don’t+实义动词原形+宾语+其他。如：Don’teatintheclassroom.Let型（Let+宾语+其他）Letmehelpyou.Let’sgoatsixo’clock.否定句一般在宾语后加not。如：Let’notwatchTV.No+V-ing型（““）Nosmoking!严禁吸烟！Notalking!不许交谈！Nopassing!禁止通行！Noparking!不许停车重难点解析：haveto"的权威。结构：主语＋have（一般现在时，主语是第三人称单数时，用has；句子是过去时，用hadhavetowearsneakersforgymclass.Tomhastopracticetheguitareveryday.Ihadtogetupat5:00amlastMonday.上周一，5点起床。have（一般现在时，主语是第三人称单数时，用doesn'thaveto.句子是过去时，用didn'thaveto）如：Nickdoesn'thavetowearauniform.Wedidn'thavetodoourhomeworkatonce.我们不必马上完成作业。（DoesDid）＋主语＋haveto＋动词原形＋其他如：Doyouhavetostayathomeonweekends?周末你必须呆在家里吗？Yes,Ido./No,Idon't..Didhehavetogotobedby11:00lastnight?昨晚，他不得不11点前上床睡觉吗？can的用法会能"（在第一册中已经学习这种用法）Canyouplaytheguitar?canspeakalittleChinese.文。Icandanceandsing.我能唱歌又能跳舞。可以、能"（在这一课中新学的词义）Canthestudentsruninthehallways?caneatoutside.我CanIcomein?我能进来吗？注意：同样是情态动词，canhaveto的用法是有区别的，和大部分情态动词一样，can在否定句中，直接在can后加上not，在疑问句中，把can和数的变化。hear，listensound都有听。hear"听说"听的内容I'msorrytohearthatyouareill.听说你生病了，我很难过。Ineverheardsuchaninterestingstory.我从来没听过这么有趣的一个故事。listen"听侧重于听Listentomecarefully.认真听我说。Thechildrenliketolistentomusic.孩子们喜欢听音乐。sound""Thatsoundsgreat.错。Itsoundslikefun.听起来挺有趣。beinbed在床上、卧床"inbed之间不能用冠词，bed也不用复数。Heisinbedfor10years.10Davehastobeinbedearlyevery大卫每晚必须很早睡觉。arrivelateforbelatefor意思相近"迟到"Don'tarrive（be）lateforschool.上学别迟到。Iarrived（was）lateforthemeetingyesterday.我昨天开会迟到了。Notalking禁止交谈！"nodon't+doNoumbrellas!/Don'tputwetumbrellashere!禁止放湿雨伞！Nofood!Don'teatfoodhere!smoking!Don'tsmokehere!禁止吸烟！语法（祈使句）二人称you，也就是听话者，因而you常省去了。