第三课时(GrammarFocusＧ４c)—单元同步语法精讲精练.pptx

第三课时(GrammarFocusc)单元同步语法精讲精练,Unit 1How can we become good learners,“by动词ing形式”表示“以，靠，借助，通过，用(某种方法或手段)”达到某种目的或得到某种结果。对此方式状语提问，应用how。该结构常用于回答“How do you.？”或“How can I.？”之类的问句。eg：How do you learn English？你怎样学习英语？By reading English newspapers and magazines.通过读英语报纸和杂志。How can I turn on the computer？我怎样才能打开电脑？By pressing this button.通过按这个按钮。,【拓展】by的其他意思“by交通工具/方式名词”意为“通过，乘坐”，表示交通方式。如by train/taxi/bus/bike/boat/plane，by land/road/sea/air等。eg：He goes to school by bus every day.他每天乘公交上学。“by时间名词”意为“在以前，不迟于”，表示时间。如by now/then/next Friday/two oclock等。eg：You must finish your homework by 5 pm.你必须在下午5点前完成你的家庭作业。,“by地点名词”意为“在旁边，靠近”，表示位置，此时可与beside换用。如by the lake/river/window/door等。eg：Tom，come in and sit by me.汤姆，进来坐在我旁边。by还有“经过”的意思。eg：walk/pass/go by走过/经过/经过“by反身代词”意为“独自，亲自”。eg：She can finish the work by herself.她可以独自完成这项工作。,一、单项选择。()1._ can I read faster?By reading word groups.AHowBWhichCWhereDWho()2His sister learned English _ writing emails _ her pen pals.Aby；by Bin；on Cat；on Dby；to()3.Last Sunday，a group of pupils talked happily _ _ a loud voice as they went to the countryside _ bike.Aby；by Bin；on Cin；by Don；in()4.A woman stood _ the window，watching the children playing games in the garden.Apast Bthrough Cacross Dby,C,D,A,D,二、按要求完成下列句子。5We can become good learners by_asking_the_teacher_for_help(对画线部分提问)_ _ you become good learners?6You can make word cards to learn new words.(改为同义句)You can learn new words _ _ word cards.7My father often drives to work.(改为同义句)My father often goes to work _ _8我自己一个人完成了这项工作。(翻译句子)I finished the work _ _9李明通过做大量练习题来学习数学。(翻译句子)Li Ming learns maths _ _ a lot of _.,by doing,by car,by myself,How can,by making,exercises,本课时其他知识点精练,一、根据句意及汉语提示完成单词。1Of all my subjects，I like _(物理)best because I hope to become a scientist.2Jack thinks his _(化学)teacher is very funny.So he likes him a lot.3I write an email to my pen _(朋友)once a month.4I cant hear you clearly.Could you please _(重复)what you said?5I usually practice my English by _(记忆)sentence patterns.,memorizing,pal,repeat,physics,chemistry,二、按要求完成下列句子。6当你上课听讲时，你最好记笔记。(翻译句子)Youd better _ _ when you listen to the teacher in class.7我经常通过写日记来练习写作。(翻译句子。)I usually practice writing by _ _ _.8I do grammar exercises every_day.(对画线部分提问)_ _ do you do grammar exercises?9Studying with a group is a good way to learn English.(改为同义句)_ _ a good way to learn English _ studying with a group.,Where there is a will,there is a way.有志者，事竟成。)Many hands make light work.众人拾柴火焰高。),by,How often,It is,take notes,keeping a diary,