1.“all/most/half/plenty/enough/some/the rest等 + of”作主语的主谓一致：如果of后面的部分为复数形式，作主语时谓语动词用复数；如果of后面所接名词为单数，谓语动词用单数。

e.g. Half of the students are boys.

        The rest of the lecture is dull.

        The rest of the bicycles are on sale today.

注意：上面这些词可以单独做主语，如果所指代意义为复数，谓语动词用复数形式，如果所指为 单数意义，谓语动词用单数形式。

e.g. All is ready for the reception.

        All are eager to reach an agreement.

2.“a lot/mass/heap… + of +名词”短语作主语时的主谓一致:如果of后面所接名词为复数形式，谓语动词就用复数形式；反之，谓语动词则用单数形式。（the mass of的用法也一样）

e.g. A heap of difficulties were pressing him.

        A mass of information has been revealed.

      A mass of books are arranged in the bookshelves.

      Lots of people were present at the meeting.

      The mass of the people in the country are foreigners.

3.“none/neither/either of…”构成的短语作主语的主谓一致:

(1)none of 后接可数名词，作主语时，谓语动词用单复数都可以；若接的是不可数名词，就用单数形式；

e.g. None of us have/has ever been abroad.

        None of the money was paid to me.

(2) neither/either of…构成的短语作主语，谓语动词通常用单数形式，但在口语中也可视为复数。

e.g. Neither of the cars was/were damaged.

      Either of them wear/wears glasses.

4.在“分数或百分数+ of”结构中，如果of后面的部分为复数，作主语时，谓语动词用复数；如果of后面为单数或不可数名词，作主语时，谓语动词则用单数形式。

e.g. Three-fourths of the surface of the earth is sea.

      About one third of the books are worth reading.

      Only 30% of the work was done yesterday.

      About 20% of the students were late for school.

5.“form/kind/part/piece/portion/section/sort/type等+ of…”短语作主语时，谓语动词的单复数取决于这些词本身的单复数，与of后面的名词没有关系。

e.g. Parts of the book are interesting.

      A new type of bus is now on show.

      These are two different forms of the same thing.

6.a number of/a variety of与the number of/the variety of中的主谓一致:

(1)“a number of(许多；大量)/a variety of(各种各样的) + 可数名词”作主语时，谓语动词用复数；

e.g. A number of students are from America.

      There are a variety if goods on sale in the shop.

(2)“the number of(……的数目)与the variety of(……的种类) +可数名词”作主语时，谓语动词用单数。

eg. The number of students from America is forty.

      The variety of goods on sale in the shop is surprising.

7．“one of+复数名词或代词….”结构中的主谓一致：

(1)“(the only)one of+复数名词或代词”作主语时，谓语动词用单数，意为“……之一”；

e.g. One of my friends works in that company.

      One of the most outgoing students in our school is Tom.

(2) 在“one of+复数名词或代词+定语从句”结构中，定语从句的谓语动词用复数形式，即动词原形；

e.g. This is one of the most interesting questions that have been asked.

      He is one of the few persons I know who have learnt from experience.

(3) 在“one of+复数名词或代词+定语从句”结构中，当one之前有the only等词修饰时，定语从句中的谓语动词用三单形式；

e.g. Mary was the only one of the youngest girls who plays in the band.

      He was the only one of the boys who was given a prize.

8.“an amount (amounts) of或a quantity(quantities) of + 不可数名词”作主语的主谓一致：

(1)“an amount of或a quantity of + 不可数名词”作主语时，谓语动词要用三单形式；

e.g. A large amount of money is spent on the project.

      A large quantity of desert covers the land.

(2)“quantities of 或amounts of +不可数名词”作主语时，谓语动词用复数。

e.g. Small amounts of land were used for raising animals.

        Large quantities of coal are needed in the factory every year.

9. a(the) majority (of)，a (the) minority (of)短语作主语时的主谓一致：

(1)of后面既可接可数名词单复数，也可接不可数名词；

(2)如果of后面的名词是单数形式，谓语动词就用单数形式；

(2)如果of后面的名词时复数形式，若视为整体，谓语动词用单数；若视为个体，谓语动词就用复数形式。

e.g. The majority of students were/was indifferent to the political meeting.

        Only a minority of students receive/receives the scholarship.

        The majority of wool used in America is imported.

        The majority were/was for the plan.

        The minority is subordinate to the majority.