(一) 语法一致原则:即主语为单数,谓语用单数,主语为复数,谓语也用复数. 以下为注意事项:1. 单数主语即使后面带有with , along with, together with, like(象), but (除了),except, besides, as well as, no less than, rather than(而不是), including, in addition to 引导的短语, 谓语动词仍用单数.如: Air as well as water is matter. 空气和水都是物质.No one except two servants was late for the dinner.除了两个仆人外, 没有一个人迟来用餐。2. 用and连接的并列主语,如果主语是同一个人,同一事,同一概念, 谓语动词用单数, 否则用复数. 如:The poet and writer has come. 那位诗人兼作家来了.(一个人)A hammer and a saw are useful tools. 锤子和锯都是有用的工具. (两样物)用