其后的谓语动词一般用复数形式。但如果两个单数名词指同一个人、同一事物、单一概念时,谓语动词要用单数,如:a knife and fork ;a cart and horse;the bread and butter;the needle and thread;a cup and saucer;my house and home;cause and effect;supply and demand...
5、Each of , Either of , neither of为单数,both of 为复数。 all of, some of取决于后面的名词词性,如果是可数名词,就用复数,否则就用单数。“Either blacks or whites ”为错误,要改为 “both blacks and whites”. 6、某些抽象名词为不可数,如a given piece of la...
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