三、表示书名、报名、剧名、国名等的名词或词组作主语时,主语与谓语动词的一致

　　表示书名、报名、剧名、国名等的名词(或词组)作主语时,如只指一种、一本或一个, 不论它形式上是单数还是复数,谓语动词只用单数形式。

　　The adventrues of Huckleberry Finn was written by the famous American umorist Mark Twain.

　　The New York Times is not available here.

　　The United States was founded in 1776.

　　四、单复数同形的名词作主语时, 主语与谓语动词的一致

　　单复数同形的名词作主语时, 要根据句子意思来确定谓语动词的单复数形式,单复数同形的名词包括: aircraft, deer, fish, sheep , means, species, series, works, crossroads headquarters等。

　　Various means of transport are introduced in this article.

　　There are already 137 species of butterflies known in the world today.

　　It is all a means to an end.这只是达到目的的一种手段。

　　The airline ordered 15 new aircraft.那家航空公司订购了十五架新飞机。

　　五、表示时间、距离、度量、价值的复数名词作主语时,主语与谓语动词的一致

　　这些复数名词, 如表示抽象概念, 被视作一整体时,谓语动词用单数形式;如表示具体的多少, 强调复数意义时,谓语动词用复数形式。

　　Ten minutes is all that I can spare for you.

　　Six thousand dollars is a large sum of money to her.

　　The fifty miles were covered by the winner in three hours.

　　六、由with, as well as等词或词组修饰的单数名词作主语时,主语与谓语动词的一致.

　　如作主语的单数名词后有下列词或词组修饰时, 谓语动词仍用单数形式: with, along with, together with, besides, as well as, in addition to, accompanied by, rather than, but等。

　　The teacher as well as the students likes this novel.

　　A scientist, together with some assistants,was sent to help solve that problem.

　　The boss, rather than his employees, is to blame.

　　Nobody but San and Ann is in the lab.