wouldprefer宁愿,更愿意要……,后接名词或代词,如：

　　1.Whatcolourwouldyoupreferyournailpolishing?

　　您喜欢什么颜色的指甲油?

　　2.Whichflavorwouldyouprefer,strawberryorvanilla?

　　您喜欢哪一种口味的,草莓味还是香草味?

　　wouldrather宁愿做某事,后接省to的不定式,即动词原形,如果有比较,就用than,即：wouldratherdo...thando...,如：

　　I'dratherstayhere.

　　I'drahternotsay.

　　I'dratherdiethangowithyou.

　　wouldrather如果接句子,属于虚拟语气,从句一般用一般过去式,如：

　　Iwouldratheryoudidn'tgotherealone.我宁愿你别自己去那儿.

　　prefer...to...：两者比较更愿意要前者,后接名词或代词,如：

　　Iprefercoffeetotea.和茶相比,我更愿意喝咖啡.