unit2名词复数规则变化 自制.pptVIP

pencil sharpner pencil-box ruler dictionar orange pencil eraser watch book kni apple 可数名词的单复数规则变化 1.直接加s 清辅音之后读/s/ 浊辅音元音之后读/z/,/ t/后读/ts/, /d /后读/dz/, ge后读/iz/ 2 s,x,sh,ch结尾的名词，加es读/iz/ 3以辅音字母加y结尾的名词，变y为i 再加es读/iz/ 4以f或 fe结尾的名词变f为v， 再加es读/vz/ 5以 o结尾，有生命的名词，加es.读/iz/ 变一变 读一读 desk book ruler girl boy jacket bed cage(笼子） class box watch family（家人，家庭） wife（妻子） hero(英雄） desks books rulers girls boys jackets beds cages classes watches families wives heroes Be动词的单复数变化 代词的单复数变化(一） 代词的单复数变化（二） 代词的单复数变化(三） What’s this/that?It’s a/an.. What are these/those?They’re ….s What are these/those?They’re ….s What are these/those?They’re ….s What are these/those?They’re ….s What are these/those?They’re ….s 小组合作试一试 ：单数句改复数句 1 This is a jeep. 2 That is an egg. 3 He is a boy. 4 My book is blue, 5 What’s that? 6 Is it his watch? Yes, it is. 1 These are jeeps. 2 Those are eggs. 3 They are boys. 4 Our books are blue. 5 What are those? 6 Are they their watches? Yes, they are. 将复数句改成单数句 1These are desks. 2Those are pens. 3 What are these? 4 They are English boys. 5 Our rooms are big. 6 Are they your books? No, they aren’t. 1This is a desk. 2That is a pen. 3 What is this? 4 He is an English boy. 5 My room is big. 6 Is it your book? No, it isn’t. * two s a three es a four s a five ies y a six s an seven s a eight s an nine es a a eleven s twelve ves fe a an twelve s Be动词单数 is am are （与you你搭配时） Be动词复数 are 人称代词（主格）单数 I you he she it 人称代词（主格）复数 we you they 形容词性物主代词单数 my your his her its 形容词性物主代词复数 our your their 指示代词单数 this that 指示代词复数 these those *