• 时间时间 // 距离距离 // 重量重量 // 价值价值 // 数目等名词作整体看待时数目等名词作整体看待时• 主语由从句、不定式短语、动名词充当时主语由从句、不定式短语、动名词充当时• 主语由“主语由“ S”S” 结尾的学科名词充当时结尾的学科名词充当时1.Twenty years is only a short time in human history.2.Fifteen miles seems like a long walk tome.3.Twenty pounds is not a light object for a boy to carry.4.Thirty dollars is too high a price for the book.5.Another 10 years has passed since he left.1.When they will discuss it hasn’t been made public.2.To die for the people is a worthy death.3.Looking after the children is her full-time job.4.A knowledge of English is necessary in foreign trade.1.Physics is well worth studying.2.Maths is a difficult science.3.Politics is the art or science of government.#His politics are/is weak.• 主语为书、报、地名、组织名称,以复数形式出现主语为书、报、地名、组织名称,以复数形式出现• news, works, crossroads, woodsnews, works, crossroads, woods 等复数形式表示单数概念时,等复数形式表示单数概念时,meansmeans 视情况而定视情况而定• 并列主语指同一概念时并列主语指同一概念时1.The Times usually speaks for the British government.2.The United States is made up of 50 states.3.The United Nations is a world organization.1.Bad news has wings.2.The glass works was set up in 1980.3.Every means has been tried to settle the problem.4.All means have been tried to settle the problem.1.A thief and murderer was sentenced to death.2.Bread and butter is served for breakfast.3.Care and patience is needed in our work.4.Early to bed and early to rise is a good habit.• 不定代词作主语时不定代词作主语时• each/every/no/many a+each/every/no/many a+ 名词单数名词单数 +each/every/no/+each/every/no/many a+many a+ 名词单数名词单数1.Somebody is looking for you.2.Nothing is im...