1、名词变复数s的发音规则一般情况下1.在清辅音后，如books buks 2.在浊辅音和元音后发z，如pigs pigz, trees tri:z 3.在t,d后与前面的t,d连起来一起读ts，dz,如cats kts，beds bedz清辅音共12个：p tk f s tstr th r 浊辅音共16个：bd g v z dzdr d l m n j w 4.以辅音字母s, sh, ch, x结尾的名词，在词尾加-es, 发iz，所以在s, z, , ,d,t后发iz如busesbsiz, blouses blauziz, boxes bksiz , dishes diiz, bridgesb
2、ridiz, watches wtiz读出s的读音。规则动词过去式加ed后的发音规则1.在清辅音后面 t，如：helped helpt, passed p:st2.在浊辅音和元音后面 d，如：borrowed brud，movedmu:vd 3.在t、d音后面 id，如：wantedwntid，started st:tid，needed ni:did，counted kantiddaysties handspeaches boxes leaf-leaves thief-thieves keys knife-knives cups dresses dishes faxesbands blouses hero-heroes potato-potatoesbooks hatssuits dogs bags buses classes shelf-shelveszoo-zoosphoto-photos tobacco-tobaccosfishes wife-wives kilo-kiloshousewife-housewives factory-factories watchesboy-boys toys baby-babiesdays piano-pianosarmy-armies story-storiesradio-radiostomato-tomatoes
