语法一致原则 意义一致原则 就近一致原则
Buying clothes is often a time-consuming job because those clothes that a person likes are rarely the cones that fit him or her.
To understand the situation completely requires more thought than has been given thus far.
Two weeks was too long
Five times five makes twenty five
law and order 法制 soap and water 肥皂水
a cup and saucer 茶杯碟子 fork and knife 刀叉
the needle and thread 针线 trial and error 反复尝试，不断摸索
horse and carriage 马车 time and tide 岁月
bread and butter 奶油面包 the ebb and flow 盛衰，潮涨潮落
如： If law and order not preserved， neither the citizen nor his property is safe.
A. is B. are C. was d. were
Linguistics is a branch of study on human language.
The chaos was stopped by the police
The news is a great encouragement to us
A series of debates between the lectures was scheduled for the next weekend.
Bread and butter is our daily food
Time and tide waits for no man
1. 由and， both …and， 连接的并列主语，和both ，a few， many ，several 等修饰语后面谓语动词通常用复数形式。
Few people know he and I were classmates when we were at college.
2.集体名词police， public， militia， cattle ，class ，youth后常用复数形式的动词
The Chinese people are brave and hardworking
The cattle are grazing in the sunshine
The Japanese were once very aggressive
The rich are not always selfish
Three million tons of coal were exported that year
1) 由连词 either…or…; neither…nor…; whether… or…;not only…but (also) ;or 等连接的并列主语
Neither money nor fame has influence on me
Not only you but also he is wrong
Blocking the open-sided porch， framed by the enveloping fog， stands a tall grave-faced policeman.
Just outside the ruins is a magnificent building surrounded by tall trees.
Although a great number of houses in that area are still in need of repair， there has been improvement in the facili
2. 主语带有(together/along)with， such as， accompanied by， as well as， no less than， except， besides， with， combined with， in addition to ， including， together with 等等附加成分，谓语的数不受附加成分的影响仍然与主语保持一致
Professor Taylor ， with six of his students ，is attending a conference in Boston organized to compare current practice in the United States with those of other nations.
The president of the college， together with the deans， is planning a conference for the purpose of laying down certain regulations. (1981年考研题)
Despite much research， there are still certain elements in the life cycle of the insect that are not fully understood.