One and a half apples is on the bed.一个半苹果在床上
Many a teacher has arrived at the station.
许多老师已到达了车站
1.The teacher and writer is going to give us a talk next Sunday.这位老师兼作家要在下周日给我们作报告
2.The teacher and the writer are going to give us a talk next Sunday.这位老师和这位作家都要在下周日给我们作报告
一个冠词一个人，两个冠词两个人
由and连接作主语的两个单数名词前有
every.each，no修饰
Every student and teacher is requested to attend the meeting.
每个学生和老师都要求参加会议。
More than one person has made the sugesstion.
=More people than one have made the sugesstion.
不只一个人已经提出了这个建议
1.more than 修饰one person，所以one person是中心词。谓语当然是单数。
2.在more people than one中，more people是中心词，谓语是复数
1.My trousers are on the bed.我的长裤在床上
2.A pair of trousers is on the bed.一条裤子在床上
3.Two pairs of trousers are on the bed.两条裤子在床上
1.trousers，glasses 等由两个相同的部分连成一体的名词是复数。
2.在a pair of trousers 结构中，of trousers是of 所有格，修饰a pair。
A great number of students are on the playground，but the number of the students isn't clear.
1.在a number of students中，a number of 是定语，修饰students
2.在the number of the students中，of the students 是定语，修饰the number，而且students前常有限定词
This kind of apples sells well in the market.
=Apples of this kind sell well in this market.
无论是his kind of apples还是apples of this kind，都是of 所有格结构，前者修饰this kind，谓语用单数，后者修饰apples，谓语用复数。稍微一分析，答案立现。
