■不定式短語、動(dòng)詞-ing形式或名詞性從句作主語，謂語動(dòng)詞用單數(shù)形式。如：

Remember /To remember English words is not easy. 記英語單詞不容易。

Who will do the job hasn’t been decided yet. 誰來做這項(xiàng)工作還沒決定。

注：what引導(dǎo)主語從句時(shí)，如果其表語是復(fù)數(shù)形式，謂語動(dòng)詞要用復(fù)數(shù)形式。如：

What he took with him were two books. 他帶去的是兩本書。

■“名詞或代詞+由with, together with, along with, as well as, besides, but ,except, including, in addition to, like, no less than, rather than等引起的短語”作主語時(shí)，謂語動(dòng)詞與前面的名詞或代詞的數(shù)一致。如：

Mr Li together with his two sons has gone to the cinema. 李先生和他的兩個(gè)兒子看電影去了。

No one except the two boys was late for class. 除了兩個(gè)男孩外，沒有一個(gè)人遲到。

Li Ming, rather than his classmates, has let out the secret. 是李明透露了那個(gè)消息而不是他的同學(xué)透露的。

■“more than one/many a + 單數(shù)名詞”作主語時(shí)，謂語動(dòng)詞用單數(shù)形式。如：

More than one person has known it. 不止一個(gè)人知道這件事。

Many a worker was killed in the accident. 在這個(gè)事故中死了許多工人。

注：“More+復(fù)數(shù)名詞 than one”作主語，謂語則用復(fù)數(shù)形式。如：

More persons than one have known it. 不止一個(gè)人知道這件事。

■“一兩個(gè)……”，用“one or two+名詞復(fù)數(shù)”表達(dá)時(shí)，謂語用復(fù)數(shù);用“a(an) +名詞單數(shù)or two”表達(dá)時(shí)，謂語動(dòng)詞用單數(shù)形式。如：

One or two days are enough for them.

=A day or two is enough for them. 給他們一兩天時(shí)間足夠了。

■and連接兩個(gè)名詞一起作主語時(shí)，謂語動(dòng)詞一般用復(fù)數(shù)形式。如：

Lily and Kite are kind to me. 莉莉和凱特都對(duì)我很好。

但是，當(dāng)兩個(gè)名詞表示同一人、同一事物、同一概念或一個(gè)完整的東西時(shí)(其特征是and后的名詞前無任何冠詞) ，謂語動(dòng)詞用單數(shù)形式。如：

The teacher and writer has come. 那個(gè)教師兼作家已經(jīng)來了。

(The teacher and the writer have come. 那個(gè)教師和那個(gè)作家都到來了。)

Bread and butter is a daily food in the West. 奶油面包是西方的日常食物。

A knife and fork is on the table. 有一副刀叉在桌上。

注：當(dāng)and連接的并列單數(shù)主語前分別有no，each, every, many a, more than one 等修飾時(shí)，謂語動(dòng)詞用單數(shù)形式。如：

Many a teacher and many a student has seen the film. 許多教師和學(xué)生都看過這部電影。