【文档说明】陕旅版英语四年级下册《Unit 4 What do you do on Saturday Part B》优质PPT课件6.ppt，共(10)页，5.718 MB，由小喜鸽上传

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flyakitedoexerciseplayfootballseeafilmdosomewashingdohishomeworkclimbthemountainWhatdoyoudoonSaturday?Ioften......climbthemountain.I/TheyHe/

Sheclimbsthemountain.动词原形动词单三play----------------playssee----------------seesclimb----------------climbs1.直接加-s2.特殊形式do---------------

-doesfly----------------flies当主语为第一（l）、第二（you）及第三人称复数(they)时，动词或助动词要用原型。当主语为第三人称单数时(he,she,it及人名物名的单数形式时),动词要变形,变成第三人称单数形

式（即动词的单三形式）.oftenflyakite.oftenfliesakite.ISheWhat____hedoonsunday?Heoften______themountains.climbsdo

esGoodmorning,Grandpa!Whatareyoudoing?I’mdoingexercise.WhatdoyoudoonSaturday?Idosomeexercise,too.Ioft

enplayfootball.经常Whatdoesyourfatherdoontheweekend?Heoftenclimbsthemountains.Whataboutyourmother?Sheoftendoessomewash

ing.