h. 动词不定式、动名词或分句作主语时，谓语动词一般用单数形式。例如：
     What I want to say is none of your business.
    Listening to the classical music is enjoyable.
    i. 以 -ics 结尾的复数名词指一门学科时，如 politics （政治学）， mathematics （数学）， statistics （统计学）， acoustics （声学）， linguistics （语言学）等，谓语动词用单数形式。例如：
    Mathematics is what he majors in.
    2) 下列结构作主语，谓语动词单复数形式取决于 of 后的名词。
    a. 由 “all, none, no, most, half, the last, the rest, the remainder+of + 名词 ” 等不定代词作主语，谓语动词单复数形式 由 of 后名词的单复数而定 。例如：
    None of the food is wasted.     None of the students were absent.     The rest of the lecture was dull.
    The rest of the bikes were on sale yesterday.
    b. 由 “Lots of, heaps of, loads of , scads of + 名词 ” 作主语，谓语动词单复数形式由 of 后名词的单复数而定。例如：
    Lots of work is to be done this week.
    Lots of people are going to swim this afternoon.
    There is loads of milk on the farm.
    There are loads of big red apples on the ground.
    There is heaps of fun.
    c. 由 “ 分数或百分数 +of+ 名词或代词 ” 做主语，谓语动词的单复数形式取决于 of 后名词或代词的单复数形式。例如：     three-quarters of the area is cultivated.
    Ninety percent of the students have passed the exam.
    3) 下列结构作主语，谓语动词的单复数形式根据意义而定
    a. 由 “the+ 形容词 ” 这种结构作主语，根据意义一致的原则决定谓语动词的单复数形式。如果表示一类人（如 the rich, the poor, the blind, the deaf, the sick, the young, the old ），谓语动词用复数形式；如果表示个人或抽象概念，谓语动词用单数形式。例如：
    The blind are taught trades in special schools. （表示一类人）
    The good in him overweighs the bad. （表示抽象概念）
    The departed was a good friend of his. （表示个人）
    b.family,crowd,committee,class,audience,group,
government,team,public,majority,minotiry 等集合名词作主语，谓语动词单复数形式应根据意义而定。例如：
    The family like to listen to the music.(the family 指这家人，用作复数 )
    The family is small.(the family 指这个家庭，用作单数 )
    The committee has considered your proposal.(the committee 指委员会，用作单数 )
    The committee were arguing for an hour before they gave their votes.(the committee 指委员会的委员们，用作复数 )
    4) 下列结构作主语，谓语动词一般 单复数均可
    a. 以数词为名词词组中心词作主语时，谓语动词一般单复数均可。例如：
    Five and six make/makes eleven.
    Seven times ten are/is seventy.
     但是： Twenty from thirty leaves ten.
    Six sevens are forty-two.
    b. 由 “one in/out of+ 名词 ” 作主语，谓语动词单数均可。例如：
    One in ten were/was present.

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