名词加复数No.1 Middle Schoolof Luo XiongLi Min one boat • boats/ s /• boats/ ts/ a car• two cars/ z / • one pentwo pensWhat’s this?What are these?Sum up: 一般情况下 , 直接在名词词尾加 S.It’s a pen.They are pens. a bus•buses/׀z / • a watchtwo watchesa fishsome fishesa boxthree boxes • Sum up: 以 s 、 x 、 ch 、sh结尾的名词 , 在其词尾加 espotatosome potatoestomatofive tomatoesSum up: 以辅音字母加O结尾的名词,在其词尾加 es. 但 photo 、 piano( 钢琴 ) 除外, photos, pianos. knifefour knivesleafsome leavesSum up: 以 f 或 fe 结尾的名词要将 f 或 fe变为V 再加es. babyfivebabiesboythreeboys以辅音字母加 y 结尾的名词,要变 y 为 i 再加 es. • Sum up: 名词加复数的变化规则 .1. 一般情况下 , 直接在名词词尾加 s.2. 以 s,x,sh,ch 结尾的名词加 es, 以辅音字母加 o结尾的名词也加 es ,但 photo 和 piano 除外.3.以 f 或 fe 结尾的名词,将 f 或 fe 变为V再加 es.4. 以辅音字母加 y 结尾的名词,要变 y 为 i 再加 es. /• 加上复数后如何发音?• 清后 /s/books /s/, 浊元后读 /z/pens,photos /z/./s/ /z/ 后读 /׀z/watches ./t/ 后 /ts/cats,/d/ 后/ dz / beds. 给下列名词加复数并读出来.• am-- is-- he-- she—• It-- bird-- lady—• orange-- ruler-- • cat-- boy-- girl—• case-- wife-- watch—• tree-- key-- question—• this-- that-- friend—• family-- dictionary—• photo-- card--arearetheytheytheybirdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsthesethosefriendsfamiliesdictionariesphotoscards 将下列句子变成复数形式• 1. This is a book.• 2. It is a good eraser.• 3.That is not an apple.• 4.Is she your good friend? Yes, she is.These are books.They are good erasers.Those are not apples.Are they your good friends? Yes, they are.