《七》主张一致
主谓词匹配是指主语和谓语在“人称”和“数”方面一致的关系。一般来说，主谓词之间的匹配关系受语法匹配原则、语义匹配原则、根源原则这三项原则的支配。
不定式、动名词、从属词应视为主语，谓语动词应视为单数。但是，如果主语是and连接的两个不定式、动名词和从属节，谓语动词是复数形式。Reading often means learning。
读书往往意味着学习。
to read English aloud every morning does you a lot of good。
每天早上朗读英语有很多优点。
having enough sleep and doing regular exercises are beneficial to your health。
睡眠充足，有规律的运动对健康有好处。
主语用and连接在一起，表示同一个人、同一个东西、同一个事情或同一个概念时，谓语动词使用单数，这时and连接的两个单词前面只有一个冠词。the composer and singer was well received by the audience .
那位作曲家兼歌手得到了听众的认可。
用And连接的两个或多个主语前面有each、every、many a(n)、no时，谓语动词使用单数。each book and(each)paper is found in its place。
每本书和每家报纸都在那个位置。
No teacher and (no) student was here。
这里没有一个老师和学生。
当给出或修饰词时，谓词动词通常会使用单数：Each、every、each and every、either、neither、one、another、little、a little、much。Each of us has a tape-recorder。
我们每个人都有录音机。
*注：“复数主语each”后面使用复数动词。
five each of these items are required。
在这些条款中，这五个项目都是必要的。
We each have our merits。=we have our merits each。
我们每个人都有各自的优点。
Everyone、everybody、everything、anyone、nobody、nothing、someone、somebody、something、no one There iii
我的手表有问题。
Anyone but you is welcome。
除了你，所有人都受欢迎。
当None、some、any、more、all等代名词用作主语时，动词的单复数由他所指单词的单复数决定。All is right。
一切都是对的。
All are present。
大家都来了。
“all、none、most、majority、part、enough、some、more than、the rest、the remainder of .”球体或When enough of the tree is chopped away，the falls。
如果一棵树砍掉足够的部分，树就会倒下。
enough of the data have been collet ed .
已经收集了足够的数据。(data是datum的复数形式)
more than one person is going to lose his job。
不止一个人会失去工作。
more than 500 people are going to lose their jobs .
500多人将失去工作。
当中心词是测量、距离、时间、价格等复数名词时，谓语动词是单数形式。Two miles is a short distance。
两英里路很近。
一般来说，不可数名词和可数名词的单数——谓语动词是单数，可数名词的复数——谓语是动词复数。但是，如果数不清的名词前面有表示数量的复数名词，谓词动词将呈复数形式。ten thousand tons of coal were produced last year。
去年生产了1万吨煤。
主语后面来including，with，together with，along with的时候，
like，in addition to，as well as，rather than，as much as，more than，no less than，but，expect，accompanied by等连接的短语时，谓语动词不受这些词组的影响，与前面的主语一致。He as well as I wants to go boating.
他和我都想去划船。
An expert, together with some assistants, was sent to help in this work.
一位专家和几位助手被派去协助这项工作。
- 在定语从句中，若引导词在从句中充当主语，谓语的数要跟先行词一致。
There is somebody here who wants to talk to you.
这里有人要和你说话。
- 当or，either...or，neither...nor，not only...but also连接两个以上主语时，谓语动词与最邻近的主语保持一致。如果句子是由here，there引导，而主语又不止一个时，谓语通常也和最邻近的主语一致。
Either you or she is to go.
你或她要去。
Neither he nor they were late last time.
他上次没有迟到，他们也没有迟到。
Here is a pen, a few envelops and some paper for you.
这是给你的一支钢笔、几个信封和一些纸。
There is a pen, a knife and several books on the desk.
桌子上有一支笔、一把刀和几本书。
- 当主语是一本书或一条格言时，谓语动词常用单数。
The Arabian Night is a book known to lovers of English.
《一千零一夜》是英语爱好者熟知的一本书。
- “the+形容词”作主语时，代表单数名词时用单数动词；如果意义指一类人，则应视为复数，谓语动词也应该用复数。
In many stories, the good are well rewarded and the bad are doomed to unfortunate.
在许多故事里，好人总是有好报；坏人注定要倒霉。
- 疑问代词which作主语时，其动词是单数还是复数根据which所指的单复数而定；但who作主语时，即使被问者是复数，通常也用单数动词。
Which is more valuable, health or wealth?
健康和财富，哪个更宝贵？
Which are prettier, these or those?
哪些更漂亮，这些还是那些？
-Who wants to come with me? -We do.
谁要跟我一起去？我们。
比较：Who are her roommates?
她的室友是谁？（主语是复数roommates，不是who）