(1) 主语指同一人或物或通常配对的事物时,谓语动词用单数;主语指不同的人或物或分开的东西时,动词用复数。
如:The iron and steel industry is of great importance.(“钢铁工业”看成一种工业)
The food and textile industry depend on agriculture for raw material.(“粮食工业和纺织工业”一般视为两种工业)
其中,当两个名词表达一种食物,被看作一个整体,谓语动词要用单数,如:egg and rice(蛋炒饭),salt and water(盐开水)等。
(2)一个不可数名词被两个形容词修饰时,如果指两样东西,动词用复数;指一样东西,动词用单数。
如:English and German grammar are different.(英语语法和德语语法是不同的。)
Cool and fresh wind is blowing from the earth.(凉爽和清新的风正从南方吹过来。)
(3)两个名词重复,但指不同的东西,动词用复数。
如:The situation before the war and the situation after the war are not the same.(战前的形势和战后的形势不同。)
(4)用both … and连接两个名词作主语时,谓语动词用复数形式。
如:Both bread and butter were sold out in that grocery.(那家杂货店出售面包和黄油。)
(5)两个单数名词前有every, each, no, many a 等修饰,动词用单数。
如:Every boy and (every) girl has the right to receive education.(男孩和女孩都有受教育的权利。)
如:The iron and steel industry is of great importance.(“钢铁工业”看成一种工业)
The food and textile industry depend on agriculture for raw material.(“粮食工业和纺织工业”一般视为两种工业)
其中,当两个名词表达一种食物,被看作一个整体,谓语动词要用单数,如:egg and rice(蛋炒饭),salt and water(盐开水)等。
(2)一个不可数名词被两个形容词修饰时,如果指两样东西,动词用复数;指一样东西,动词用单数。
如:English and German grammar are different.(英语语法和德语语法是不同的。)
Cool and fresh wind is blowing from the earth.(凉爽和清新的风正从南方吹过来。)
(3)两个名词重复,但指不同的东西,动词用复数。
如:The situation before the war and the situation after the war are not the same.(战前的形势和战后的形势不同。)
(4)用both … and连接两个名词作主语时,谓语动词用复数形式。
如:Both bread and butter were sold out in that grocery.(那家杂货店出售面包和黄油。)
(5)两个单数名词前有every, each, no, many a 等修饰,动词用单数。
如:Every boy and (every) girl has the right to receive education.(男孩和女孩都有受教育的权利。)