核心问题
nothing but + 复数名词作主语时, 其谓语动词是用单数, 还是用复数?
词典解答
如 anything, something 一样, nothing 也被传统语法看作是单数, 因此, nothing but 之后即使跟复数名词时, 也必须使用单数动词作谓语:
Nothing but trees was to be seen. 能看到的仅仅是树。
nothing but + 复数名词作主语时, 其谓语动词是用单数, 还是用复数?
如 anything, something 一样, nothing 也被传统语法看作是单数, 因此, nothing but 之后即使跟复数名词时, 也必须使用单数动词作谓语:
Nothing but trees was to be seen. 能看到的仅仅是树。