高一英语-Unit7-lesson3-The-Sea-world-grammar课件-北师大版必修3.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,M3 U7 LESSON 3-2,The Sea World,Grammar,Objectives,By the end of the lesson,youll be able to,tell the rules of making comparison;,use the structures to make comparison.,Structure&meaning,They have a huge mouth and can eat fish as big as themselves.,The tiniest fish is not as big as a fly in your house.,和,一样,不如,同级表达形式,：,(not)as,+,原形,+,as,What do they have in common?,as big as,not,as big as,Practice,他捕了一条和自己一样大的鱼。,He caught a fish,as big as,himself.,The fish,he caught,is,as big as,himself.,Practice,A shark is,not,as friendly as,a dolphin.,鲨鱼可没海豚那么友善。,比较级表达形式,：原形,+,er,；,more/less,+,原形,Crabs are,smaller,creatures in the sea.,Penguins are,more friendly,than,seals.,Flying fish are,less colorful,than,some other fish.,Structure&meaning,Can you summarize the rule?,Practice,企鹅比北极熊滑稽。,Penguins are,funnier than,polar bears.,Practice,A shark is,not,as friendly as,a dolphin.,A shark is,less friendly than,a dolphin.,鲨鱼没有海豚那么友善。,最高级表达形式,：原形,+,est,；,most,+,原形,You can see some of,the strangest,fish in the world.,Virtual voyage is our,most up-to-date,attraction.,Structure&meaning,What rules do you find?,7,Practice,smaller,the most intelligent,T,he biggest,the most popular,the easiest,better,the friendliest,1,2,3,4,5,6,7,常见难点句式,1.,倍数与差额,Some fish can produce sounds almost,twice,as loud as,your speaking voice!,Their school yard is,four times,as large as,ours.,He is,a head,taller than,I am.,We arrived there,two hours,earlier than,the other team.,常见难点句式,1.,倍数与差额,姚明快有两个我那么高了。,你的门票比我的便宜一百元。,Yao Ming is almost,twice,as tall as,I am.,Your ticket is,100 yuan,cheaper than,mine.,2.,比较级表示最高级,常见难点句式,You certainly,wont,find,a noisier,fish,.,The movie is fantastic.Ive,never,seen,a better,one.,I,cant,agree,moreChina is,larger than,any,countries in Africa.,He is,taller than,any,other,boys in the class.,Language in use,Language support,1.convenient,expensive,cheap,far,fast,beautiful,amazing,2.,morethan;lessthan,The more,the more,two/three times more than,You certainly wont find a better,aquarium like.,学案练习,III,Check your learning,1.,变为比较级和最高级形式,strong pretty careful reliable,2.,汉译英,蛤蟆鱼,(,toadfish),比蛤蟆还难看。,海豚和海豹一样有活力。,A toadfish is uglier than a toad.,Dolphins are as energetic as seals.,学生板书,Homework,Do P58P59-Ex.1,2,3,4,(,任选两题,),!,