1、用法一：两个单数名词用and连接,表示两个不同的概念时,谓语动词用复数。如:Steam and ice are different forms of water.蒸汽和冰是水的不同形态。
3、用法三：被 every,each, many a,no等限定的单个主语由and连接时,谓语动词仍用单数。如:Each boy and each girl has an app造婷用痃le.每个男孩和每个女孩都有一个苹果。Many a teacher and many a student has seen the film.许多老师和学生都看过这部电影。
5、用法五：由and连接的两个what从句作主语时,要根据意义一致原则决定谓语动词的单复数形式。如:What he says and does do not agree.他言行不一致。What he says and does does not concern me他的言行与我无关。
7、用法七：单数名词作主语,后跟with, along with, together 嘛术铹砾with,as well as, rather than, as much as,but, except等加其他名词时,谓语动词仍用单数形式。如:Dr Smith, together with his wife, is to arrive on the evening flight.史密斯博士及其夫人将乘夜班飞机抵达Nobody but one teacher and three students was in the laboratory只有一个老师和三个学生在实验室里。
