1，主语由and或both...and连接，谓语动词用复数（不可数名词同样）
注①:如果and连接的两个词是指同一个概念，则两个n通常共用一个冠词或限定词，把他视为一个整体，谓语动词用单数
常见可视为整体的组合:bread an butter黄油面包
bread and cheese涂奶酪的面包
a knife and fork一副刀叉
A watch and chain 系有表带的手表
A cart and horse一辆马车
A cup and saucer带茶托的茶杯
needle and thread针线
law and order法律与秩序
fish and chips鱼和土豆片
meat and potatoes肉炒土豆
（这些组合做主语，谓语动词都用单数。）
注②:由and连接的主语有every,each,no,many,more than one等修饰时，谓语动词用单数。
many a teacher=many teachers
many a teacher comes on time=many teachers come on time
2,主语由肯定和否定两部分构成时，谓语和肯定的保持一致
3，并列主语由or,either...，neither...nor,not only...but also连接时，谓语动词保持就近原则
5.主语后面带有as well as,rather than,like,but,except,besides,
with,along with,together with,including,in addition to
等连接时，谓语动词跟随主语
6.“由some of,plenty of，a lot of,lots of,most of,the,rest of,all of,half of
分数/百分数+of+名词”等短语做主语时谓语动词和of后面的名词保持一致
注①:population表示“人口”时，谓语一般用单数，当前面出现分数或百分比时代表全体居民时，谓语可单可复。
注②:a large amount of/a large quantity of+n 谓语动词用单数
large amounts of/large quantities of+n 谓语动词用复数
规律:amount和quantity是单就用单，他们是复就用复。
7.由either,neither,each,one,the other,
another,anybody,anything,
something,something,,someone
,every,everybody,everyone everything
,nobody,no one,nothing等做主语时，谓语动词一般用单数
注:none做主语指代不可数名词，谓语用单数，指代可数名词，谓语可单可复
8.由a kind of,this kind of,many kind of(前三个情况看kind)名词+of+this kind以及type,sort等短语，做主语时，谓语动词和of前的n保持一致
9.表示时间，数目，距离，价格，重量等名词的复数做主语，作为一个整体时谓语动词用单数。
注:all做主语，表“一切”，谓语动词用单数
表“具体的人或事物”谓语用复数
10.表成双成套的名词，trousers, shoes,glasses,compasses,等做主语时，谓语动词用复数
注:这类单词与“a pair”连用，谓语动词和pair保持一致
11.集合名词做主语谓语动词必须用复数的有people，police,cattle,clothes,works（著作）,goods,,poultry,militia,plastics,
其他集合名词class,family,team,group,government,audience,crowd,company,crew,publc等，若强调整体，谓语用单数
如强调个体，谓语用复数
12.单复数同形的名词如，sheep,deer,fish,means,works（工厂），aircraft谓语动词根据实际意义来决定
13.定冠词+adj/分词，表“一类人”的时候，动词用复数
表“一类抽象”概念时，动词用单数
常见定冠词+分词组合
the wounded/injured伤员 the killed 被杀者 the missing 失踪的人
the employed （employment名词 employee打工仔 employer老板）被雇佣者
the accused被告 the aged老年人 the living活着的人 the learned博学的人
14.单个动名词，不定式短语或从句做主语，谓语动词用单数
what i want are these books(后面有可数名词复数，动词用复数)
Riding on the elephants and rowing the boats were children's favorite games
(and连接两个句子或短语，后面用复数)
15.the number of+复数名词做主语，用单数
a number of+复数名词做主语，用复数
the majorcity of+复数名词作主语，用复数
