主谓一致使用主谓一致时，必须遵循三个原则，即语法一致原则、意义一致原则和就近一致原则。一、当单数可数名词、不可数名词、复合不定代词、单个不定式（疑问词＋不定式）、动名词或主语从句以及表示“时间、价值、重量、距离、书名、影片名称”等名词作主语时，谓语动词通常用单数形式。例如：The curtains are closed and the living room is dark when Mom and Dadenter.Visiting a place like this is always very interesting.Why pleasant smells do not reduce pain in men is a question still to beanswered by scientists.二、all（some, a lot, plenty, any, part, the rest, most等）＋of＋名词作主语以及分数、百分数构成短语作主语时，谓语动词单复数形式取决于 of 后的名词或代词。表示复数概念用复数；表示单数概念用单数。例如：As a result of the serious flood, two-thirds of the buildings in the areaneed repairing.One study says that 90% of our time is spent watching television or usingcomputers.While the rest of the passengers were getting out, she glanced at thefaces around her.三、在“名词/代词＋介宾结构＋谓语＋…”结构中，谓语动词与名词/代词保持一致，介宾结构看作插入成分。该结构中的常见介词及介词短语有 with, together with, along with, as well as, like, but, except,besides, including 等。例如：Healthy eating along with regular exercise is probably the only way tobecome fit.Nobody but Tom and his father has ever been there.四、a number of / a group of / a variety of / a total of 等构成短语作主语时，谓语动词用复数形式；而 the number of / the group of / thevariety of / the total of等构成短语作主语时，谓语动词用单数形式。例如：The low number of attacks that happen every year proves that sharks donot feed on humans if they have the choice.Nowadays, a large number of women, especially those from thecountryside, work in the clothing industry.五、quality / pair / amount 等构成短语作主语时，谓语动词根据 quality/ pair / a...
