数量只要超过1个(可数名词)就要用复数Oneandahalfapples_are__leftonthedeskOneandahalf 一个半
只要超过1(可数名词)就要用复数,例如:Half of the ground is corvered by snow.One and a half of bananas are left on the desk.
与主语一致
areapple都加s了