人教版初二英语上册3.ppt

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1、Unit 3Mid-Autumn Day形容词的比较级：表示两者之间的比较。形容词的比较级：表示两者之间的比较。形容词的比较级形容词的比较级+than Jim is taller than Tom.This ball is bigger than that one形容词的最高级：表示三者或三者以上进行形容词的最高级：表示三者或三者以上进行比较，程度最高的一个。比较，程度最高的一个。Mary is the tallest girl in our class.My bag is the heaviest of the three.形容词比较级、最高级的变化：形容词比较级、最高级的变化：smalls

2、mallersmallestnicenicernicestbigbiggerbiggestheavyheavierheaviest(1)词尾直接加词尾直接加-er 或或-est。(2)以以 e 结尾的词，在词尾加结尾的词，在词尾加-r 或或-st。(3)重读闭音节的词，词尾只有一个辅音时，重读闭音节的词，词尾只有一个辅音时，双写该辅音后，加双写该辅音后，加-er 或或-est。(4)辅音字母加辅音字母加 y 结尾的词，变结尾的词，变 y 为为 i 后，后，再加再加-er 或或-est。Exercises:1.This cake is _(big)than that one.2.Lily is

3、_(young)in her class.3.This watch is _(dear)than that one,but its _(nice).4.My ruler is _ than Jims.Jims is _ than Lilys.Mine is _ of the three.(long)5.Lucy is _(tall)than I .biggerthe youngestdearerlongernicerlongerthe longestthe tallest/meHow delicious they are!Theyre verydelicious.感叹句：感叹句：How+形容词

4、形容词+主语主语+谓语！谓语！How delicious they are!Exercises:1.Jims bag is very light.2.Theyre very full.3.The mooncakes are very nice.4.That ruler is very long.How light Jims bag is!How full they are!How nice the mooncakes are!How long that ruler is!感叹句：感叹句：How+形容词形容词+主语主语+谓语！谓语！How delicious they are!What+名词名词

5、+主语主语+谓语！谓语！What a good girl she is!What delicious mooncakes they are.主语主语主语主语Id like.I would likeWould you like?名词名词 +to do sb.to doId like a cup of tea.I would like you to go shopping with me.Would you like to go with me?-Would you like some orange?-Yes,please.-Would you like some rice?-No,thanks.

6、Im full.one 的用法的用法:表示数量表示数量“一一”的概念的概念。One and one makes two.表示承接前面已出现过的同类可数名词表示承接前面已出现过的同类可数名词,用以避免重复用以避免重复。代替单数名词时用。代替单数名词时用 one,代替代替复数名词时用复数名词时用 ones。This school is older than that one.These books are mine.The ones on the desks are yours.注意注意:表示承接同一个东西时表示承接同一个东西时,要用要用 it。-Do you have a watch?-No,but my father has one.-He bought(买买)it last week.交际用语：交际用语：Would you like?Im full.Good night!What day is it tomorrow?Are you hungry/free?Id like you to meet.