7. none做主语时,谓语动词可用单数,也可用复数;但在代表不可数的东西时总是看作单数,因而谓语动词要用单数。如:
None of us are perfect. 人无完人。
None of this worries me. 这事一点不使我着急。
8. 名词如:trousers, scissors, clothes, goods, glasses等作主语时,谓语动词必须用复数,如:
His clothes are good. 但这些名词前若出现a pair of , 谓语一般用单数,如:
A pair of glasses is on the desk. 桌上有一副眼镜。
9. 形复意单名词如:news; 以ics结尾的学科名称如:physics, mathematics, economics; 国名如:the United States; 报纸名如:the New Times; 书名如:Arabian Night 天方夜谈;以及The United Nations联合国等作主语时,谓语动词用单数。
10. a+名词+and a half, one and a half+名词,the number of+名词等作主语时,谓语动词要用单数,如:
Only one and a half apples is left on the table.
注意:one or two+复数名词作主语,谓语动词用复数形式,如:
One or two places have been visited. 参观了一两个地点。
内容一致原则:
1. 主语中有all, half, most, the rest等,以及分数或百分数+名词做主语时,谓语动词单复数取决于连用的名词,如:
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