人教版七年级上册《英语》Units 1-3 核心要点(共35张PPT)ppt课件.pptx

1、1.show n.演出；节目 v.给；展示【归纳】on show 展出 show sb.sth.=show sth.to sb.给看（一）单词（一）单词【温馨提示】send,give,pass也可用于这两种结构。send/give/pass sb.sth.=send/give/pass sth.to sb.当sth.是代词时，只能用show/send/give/pass sth.to sb.2.speak v.说(某种语言)；说话 tell v.讲述；告诉 talk v.&n.说话；交谈 辨析speak既可作及物动词，也可作不及物动词。作及物动词时，后面常接表示某种语言的名词；作不及物动词时，

2、常指说话的能力。tell一般作及物动词。tell sb.sth.=tell sth.to sb.“告诉某人某事”或“把某事告诉某人”tell sb.about sth.告诉某人关于某事的情况talk一般作不及物动词。talk to 和交谈talk about 谈论有关根据句意，选用speak,talk或tell填空。1)Does anyone _ English here?2)Linda,please _ me about your school trip.3)They often _ about their middle school.speak tell talk 3.teach v.教，

3、讲授【归纳】teach sb.教某人 teach sb.sth.教某人某事 teach sb.to do sth.教某人做某事teach oneself=learn by oneself自学 teach sb.a lesson 给某人一次教训 4.dress n.连衣裙 v.穿衣服 作及物动词，表示“给穿上衣服”，其宾语是人。作不及物动词，既可表示“穿上衣服”的 动作，又可表示“穿着衣服”的状态。【归纳】dress sb.给穿衣服dress up 装扮dress up as 打扮成get dressed 穿上衣服be dressed in 穿着衣服dress既可表示动作，也可表示状态。put

4、on表示“穿，戴”的动作。wear表示“穿，戴”的状态。be+in+颜色表示“穿某颜色的衣服”。have on表示“穿某衣服”。辨析根据句意用选用以上适当形式填空。1)Mrs Smith is _ a blue sweater today.2)Please _ your coat.Its very cold outside.3)Toms father always _ in blue.4)My father always _ a black shirt _.5)The woman is _ a gold ring.wearing put ondresseshas onwearing 5.usu

5、ally adv.通常地；一般地 never adv.从不；绝不 sometimes adv.有时频度副词always,usually,sometimes&never always(总是)usually(通常)sometimes(有时)never(从不)。频度副词在句中一般位于be动词、助动词或情态动词之后，实义动词之前。将下列句子翻译成英语。1)约翰(John)上学总是迟到。2)我有时放学后踢足球。John is always late for school.I sometimes play soccer after school.6.also adv.也；而且 either conj.或者

6、 adv.也(用在否定词组后)辨析 either/also/too单词用法either用于否定句末。also常用于肯定词，位于be动词、情态动词或助动词后，行为动词这前。too用于肯定句末。根据句意用too,either或also填空。1)I didnt finish my homework.Linda didnt finish her homework,_.2)David _ watched the football match on TV.3)My aunt will go shopping this weekend.My uncle will go shopping,_.either a

7、lso too 7.cross v.横过；越过辨析cross/across/through/over/pastcross表示穿过，相当于go across。across为介词，表示“从表面穿过”，或“横穿”。across from 在对面through为介词，表示“从内部穿过”，往往指穿过沙漠、森林，(光线)透过窗户等。over为介词，意为“翻越”，表示到达高的障碍物(如树、墙、篱笆和山脉等)的另一侧。past为介词，意为“走过，经过”，指从某特或某人旁边经过。walk/go past(=pass)e.g.You must be careful when you swim _ the lake

8、.A.across B.below C.over D.throughA8.between prep.介于之间【辨析】between/amongbetween通常表示在两者之间。among通常表示在三个或三个以上的人或物之间。【归纳】between and 在和之间根据句意从括号内选择恰当的单词填空。1)Angela is the tallest _(between/among)her classmates.2)The paper fell _(between/among)the desk and the wall.3)Its a secret _(between /among)the two

9、of us.among betweenbetween 9.afraid adj.害怕；畏惧【归纳】be afraid of sb./sth.害怕某人或某物be afraid of doing sth.害怕做某事be afraid to do sth.害怕或不敢做某事根据汉语意思完成英语句子。1)我的一些同学害怕狗。Some of my classmates _.2)他小的时候不敢爬树。He _ when he was young.are afraid of dogs was afraid to climb the tree 1.play chess 下国际象棋 play the drums 敲

10、鼓 play the piano 弹钢琴 play the violin 拉小提琴（二）短语（二）短语2.be good at.擅长于 be good at sth./doing sth.=do well in sth./doing sth.【拓展】be good with.善于应付的；对有办法be good for 对有好(益)处be good to 对仁慈(和善)=be kind/friendly toReading in the sun is not good _ your eyes.A.for B.about C.withA3.either.or.要么要么；或者或者；不是就是 用于连接

11、两个并列成分【注意】当either.or.连接两个并列主语时，谓语动词应与离其最近的主语在人称和数上保持一致。e.g.Either you or Mary is right.下列各句中均有一处错误，找出并改正。1)Either I or Lucy help Mom with the A B C housework(家务活)._2)Sally either reads a book A or playing the guitar in the afternoon.B C _ B;help helps B;playing plays 1.Then we need you to help with

12、sports for English-speaking students.那么我们需要你帮助说英语的学生开展体育活动。help(sb.)with sth.在某方面帮助(某人)=help sb.(to)do sth.（三）句式（三）句式【拓展】help oneself to(sth.)随便吃点(食物等)with the help of sb.=with sb.s help在某人的帮助下ask sb.for help 向某人求助2.-How does Mary get to school?-She takes the subway.-玛丽如何到校？-她乘地铁。乘坐某种交通工具的表达：1)动词(ta

13、ke/ride/drive)+冠词/形容词性物主代词+表示交通工具的名词 take the train to Beijing ride a bike home drives her car to school2)by+表示交通工具的名词 by car/bus/bike 3)in/on+冠词/形容词性物主代词+交通工具名词 Dale goes to work on his bike.=Dale goes to work by bike.Dale rides a bike to work.on foot表示“步行；走路”，可与walk互换使用。【链接】询问交通方式要用how引导的特殊疑问句，其答语

14、既可用动词短语也可用介词短语来表达，通常两者可以互换使用。如：How do you usually go to the library?I usually take the bus./By bus.3.How long does it take you to get to school?你到学校要用多长时间？1)It takes sb.some time to do sth.做某事花费某人多长时间2)how long 多久；多长时间 用于询问时间的延续长度【链接】how far 多远 用于询问距离e.g.-How far is it from here to the clothes store?-Its about 2 kilometers from here to the clothes store.4.For many students,it is easy to get to school.对许多学生来说，到校是容易的。Its adj.(+for/of sb.)+to do sth.做某事(对某人而言)是的it是形式主语，后面的动词不定式为真正的主语。