6. 以ics结尾的复数名词指一门学科，如politics(政治学), mathematics(数学), mumps(腮腺炎), statistics(统计学), acoustics(会计学), linguistics(语言学)等，谓语动词用单数形式
8) Mumps(流行性腮腺炎) are ［A］ a very common disease ［B］ which ［C］ usually ［D］ affects children.
7. 主语为“单数名词 ＋ with(as well as, together with, along with, accompanied by, including, except, but, besides)等短语的，动词与前面的主语保持一致，即谓语动词用单数
John, together with his wife and children, has moved to Chicago. 约翰和他的妻子及孩子们搬到芝加哥去了。／This text, including the other two, is a bit difficult. 这一课和其他两课都有点难。／Wang Lin, and perhaps Zhang Hai, sings very well. 王林，可能还有张海，唱得很好。
8. one of(a pair of, a part of) ＋ 复数名词，其谓语用单数名词
9) John Dewey is generally considered ［A］ one of the greatest ［B］ modern educational ［C］ philosopher ［D］ .
10) One of the wildest ［A］ and most inaccessible ［B］ parts of the United States are ［C］ the Everglades(美国佛罗里达州南部大沼泽地) where wildlife is abundant and largely ［D］ protected.
11) Rudolph Nureyev has become ［A］ one of the greatest ［B］ dancer ［C］ that the ballet world has ever known ［D］ .
9. neither＋不带冠词、物主代词或指示代词的单数名词，谓语用单数；neither of＋复数名词，谓语动词用单数(在非正式场合用动词复数)
Neihter car is exactly what I want.
Neither of these cars is exactly what I want.
10. percent表示抽象概念，即使后面接复数名词，其谓语也要用单数
二、 谓语用复数的情况
1. 主语是表示复数的名词或代词时，谓语动词用相应的动词复数形式
12) Metropolitan area ［A］ have increased ［B］ in the majority ［C］ of countries ［D］ .
13) Doctor ［A］ are discovering that there is a strong ［B］ psychological ［C］ component to chronic(慢性的) ［D］ pain.
14) Bookkeepers maintains ［A］ detailed ［B］ records of ［C］ business transactions. ［D］ .
2. 从句中的谓语动词应和从句中主语呼应
15) A rocket burns ［A］ propellant(火箭燃料，推进剂) rapidly and most rockets carry ［B］ a supply ［C］ that last ［D］ just a few seconds.
16) Elizabeth Blackwell，the first woman medical doctor in the United States， founded ［A］ the New York Infirmary， an institution ［B］ that have always had ［C］ a completely female medical staff ［D］ .
17) Each lichen(地衣) consists ［A］ of an alga and a fungus that lives ［B］ together in a kind ［C］ of plant ［D］ partnership.
3. 名词复数＋介词短语
定语从句
＋of＋单数名词[JB)｝] 由于主语是复数名词，其谓语动词要用复数形式
18) The novels of John Cheever belongs ［A］ to a literary ［B］ tradition that is concerned ［C］ primarily ［D］ with manners.
19) Many people who ［A］ live in New York City thinks ［B］ that life ［C］ in a large city offers ［D］ special advantages.
20) Flower ［A］ have long been cultivated ［B］ and bred for their beauty ［C］ and their fragrance ［D］ .
三、对等连词前后的一致
由and, or, but, than, both…and, either…or, rather than 等对等连接词连接起来的成分彼此间在形式上应力求保持一致。具体有以下几个方面
1. 数的平行：对等连词接连起的名词在单复数形式上通常一致，and和both…and连接两个单数名词，谓语动词用复数形式，either…or连接两个单数名词，谓语动词用单数形式
21) Dictionaries may be used to answer question ［A］ , to solve ［B］ problems, or to obtain ［C］ information ［D］ .
22) Both the male and the female working in the field.
［A］ be
［B］ are
［C］ is
［D］ bieng
2. 时态的平行： 在同一时间背景下，对等连词所连接的动词应采用一致的时态
23) A line segment, which is part of a straight line, begins at one point at another.
［A］ ending
［B］ by ending
［C］ the end is
［D］ and ends
24) Gravity not only causes bodies to fall their speed.
［A］ and to increase
［C］ and increases
［B］ but also increase
［D］ but also increases
25) Nearly all trees have seeds