Unit1 B 第二课时.ppt

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1、PartBUnit1Howtallareyou?Hello!I'mLittleDuck.Iamwatchingthesungodown.Thesunisgettinglowerandlower（越低）.Myshadow（影子）isgettinglongerandlonger.Whyisthat？为什么当太阳越低的时候，我的影子越长？Whyismyshadowgetslongerwhenthesungetslower?Thesungoesdowneveryday,andwegrowoldereveryday.Yourshadowgrowslongerbecauseyouareg

2、ettingtaller.OldTree'ssays：你同意老树的说法吗？为什么？DoyouagreewithOldTree?Why?Tips:LittleDuck'sshadowgetslongerisbecauseofthesun.Readandcircle.1.Chooseatitleforthestory.A.LittleDuck'sshadowB.OldTree'sshadow2.Whoisyounger?A.Thetree.B.Theduck.3.Whenistheduck'sshadowlonger?A.Inthemorning.B.Intheafternoon

3、.Readandcircle.1.Chooseatitleforthestory.A.LittleDuck'sshadowB.OldTree'sshadow2.Whoisyounger?A.Thetree.B.Theduck.3.Whenistheduck'sshadowlonger?A.Inthemorning.B.Intheafternoon.OldTree,thesungetslower,butmyshadowgetslonger.Why?Readthestoryagainandfinishthedialogue.That'seasy.Yourshadowgetslon

4、gerbecauseyouaregettingolderandgrowingtallereveryday.low----lowerlong---longerold----oldersmart--smartertall----tallerPleasecirclethewordswith"-er".更多比较级的变化规则1.一般情况下，形容词原级变成比较级，直接加上er.2.形容词以e结尾，直接加r，比如：nice-nicer更漂亮的3.辅音字母加上y字母结尾，变y字母为i，再加er，比如：heavy-heavier更重的4.重读闭音节，双写最后一个字母，再加er.PS：重读闭音节

5、就是结尾重读的音节，并且以一个元音字母加上辅音字母结尾。例如：hot，big，sad......hothotterbigbiggersadsadder5.特殊情况goodbettermuchmoremanymore补充：最高级就是将比较级的er转换为est，在形容词最高级的前面必须加上定冠词the。good的最高级是best（最好的）much和many的最高级是most（最多的）。写出下列形容词的比较级1.angry__________2.many__________3.big__________4.small__________5.heavy__________写出

6、下列形容词的比较级1.angry__________2.many__________3.big__________4.small__________5.heavy__________angriermuchbiggersmallerheavier写出下列形容词的比较级6.good__________7.many__________8.hot__________9.funny__________10.nice__________bettermorehotterfunniernicer