one hour and a half谓语动词为什么用单数?

one hour and a half谓语动词为什么用单数? "one and a half bananas"谓语为什么用单数? one and a half years 谓语动词用单数还是复数?one year and a one hour and a half 后面是复数谓语还是单数谓语 one hour and a half作主语谓语是单数还是复数?one and a half hours呢? one year and a half作主语 ,谓语动词用单数还是复数? one and a half 加复数名词后面谓语动词用单数还是复数 请问one and a half作主语,谓语动词应该用单数还是复数? one and a half 后用谓语动词单数还是复数? one and a half做主语谓语动词用单数还是复数 我知道one and a half 后用谓语动词单数. One and a half ＋复数名词作主语时,谓语动词用单数还是复数