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7. “the+形容词”表示一类人时，谓语动词用复数。表示抽象概念或指个别事物时谓语动词用单数。
如：The old are well taken care of. 老人得到很好的照顾。
The beautiful is laved by all. 人人都爱美，
The difficulty we do at once. The impassible takes a little loner.
困难的事情我们马上做。不可能的事情需要稍微长一点的时间。
还有the unknown(未知的事物)，the unexpected(出乎意料的事)，等等。
8. 如果主语由"a kind/sort/type of this kind/sort/type of +名词”组成，不管名词是单数还是复数，动词通常用单数。
如：This kind of man annoys me. =This kind of men annoys me. 这种人让我烦。
This kind of apple is very expensive. = This kind of apples is…这种苹果很贵。
类似的还有:a portion of(一部分)，a series of(一系列)，a pile of(一堆)，a panel of (一个小组委员会)，
如：A series of accidents has happened here. 这里发生过一系列事故。
9. Means作“方法、手段”讲时，单复数同形，其前面有each, every, neither, either,等单数a念的定语时，谓语动词用单数;若有all, both，these等复数概念的定语时谓语动词用复数。
“None of the means”作主语时，谓语动词通常用单数。
如：There is/are no means of learning what is happening. 没法知道正在发生什么事。
No means is /are left untried. 没有没试过的方法了。
Every means is to an end. 每一种手段都能达到一种目的。
A bicycle is a means of transport. 自行车是一种交通手段。
All possible means have/Every possible means has been tried.所有的方法都试过了。
三、就近一致
1.当主语由either...... or. neither...... nor , not only ...... but(also) 或or连接时，谓语动词通常和最临近的那个主语一致。
例如：Either you or he is to do the work. 不是你就是他来做这件事。
Not only you but also Tom often comes late to class. 不光是你，汤姆上课也迟到。
Neither the children nor the teacher knows anything about it.
孩子们和老师都不知道这件事。
2.当there be结构后面有并列主语时，谓语也和最临近的那个一致。
如：There is a dictionary and many books on the table.
桌子上有一本词典和许多本书。
There' re ten chairs and a table in the house.
屋子里有十把椅子和一张桌子。
Here is a pen, a few envelopes and same paper far you.
这儿有一支笔，几个信封和一些纸给你。
这种就近一致的情况在非正式文体中越来越普遍。但在下列情况不提倡模访。
如：Where is your mother and sisters?
你妈妈和你姐妹到哪儿去了?
Is your sister and her husband coming to see you?
adj. 想不到的，意外的
