【正文】
physics, politics, maths等,形式上是復(fù)數(shù),而意義上卻表示單數(shù),因此謂語(yǔ)動(dòng)詞用單數(shù)形式The police are searching for the murder.Physics is really difficult for me“the + 某些形容詞”可以表示一類人,作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式The young are energetic.某些代詞或短語(yǔ)如half(of),plenty(of),the rest(of),(a)part(of)等作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞應(yīng)視其“具體所指”即所修飾的名詞來(lái)決定單、復(fù)數(shù)Half of the work has been finished.Half of the workers have finished their work ahead of time.表示重量、度量、時(shí)間、長(zhǎng)度、價(jià)格、數(shù)學(xué)運(yùn)算等的詞或短語(yǔ)作主語(yǔ)時(shí),通常視為一個(gè)整體,謂語(yǔ)動(dòng)詞用單數(shù)形式Two pounds isn’t so heavy.Two months is a long holiday.Ten yuan is enough.Ten minus five is five.【特例清單】,如果是國(guó)名,如the United States,the Netherlands等,謂語(yǔ)動(dòng)詞用單數(shù)形式;如果是群島、山脈、海峽、瀑布等地理名稱作主語(yǔ),謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式The United States is a developed country. 美國(guó)是一個(gè)發(fā)達(dá)的國(guó)家。None of the students has/have been to Egypt in our class. 我們班沒(méi)有一個(gè)學(xué)生去過(guò)埃及。Half of the students watch TV twice a week. 一半的學(xué)生一周看兩次電視。So has Mike. 邁克也去過(guò)。Neither was 。So he did. 的確如此。Here it is.