Animal-Homes(1)

AnimalHomes(1)chimpanzee人类的近亲chimpanzeescrocodilecrocodilesostrichostrichesparrotparrotspenguinpenguinspolarbearpolarbearswhalewhalesdolphindolphinsowlowlschimpanzee鹦鹉whale猫头鹰crocodile北极熊dolphin鸵鸟polarbear鳄鱼parrot海豚owl鲸鱼penguin猩猩ostrich企鹅Whatcanwhalesdo？Theycanswim.Whatcan______s(es)do?Theycan______.Whatcan'tdolphinsdo?Theycan'trun.Whatcan't______e(es)do?Theycan't______.Canpolarbearsfly?Yes,theycan.No,theycan't.Can_______s_______?Yes,theycan.No,theycan't.可数名词单数变复数能用具体数字来计数的名词是可数名词。不能用具体数字来计数的名词是不可数名词。可数名词有单数和复数两种形式。单数名词可与不定冠词a/an连用。而不可数名词没有单复数之分，并且不可数名词不能与不定冠词a/an连用。单数变复数的规则1.一般情况，在词尾加-sbook---booksbag---bags单数变复数的规则2.以s、x、ch、sh结尾，在词尾加-esglass---glassesbox---boxes单数变复数的规则3.以辅音字母+y结尾，把y变i加-escity---citiesbaby---babies单数变复数的规则4.以元音字母+y结尾，直接在词尾加-stoy---toysboy---boys单数变复数的规则5.以f或fe结尾，把f或fe变v加-esknife---kniveswolf---wolves