两个名词前各加同一限定词，表示是两个人或两样东西，谓语动词要用复数：

　　A general and a statesman(two persons)were killed.

　　His home and his office are very far from my home.

　　A black and a white dog are playing in the yard.

　　一个不可数名词，如有两个形容词修饰，而指两样东西，动词用复数;否则用单数：

　　English and French grammar are different.

　　Sweet and sour pork is delicious.

　　如果主体词重复，表示是两样东西，动词要用单数：

　　The situation before the war and the situation after are differ-ent.

　　What he said and what he thought were the same.

　　如作主语的两个名词用同一限定词，指的是一个人或一样东西，动词要用单数：

　　A general and statesman(one person)was killed.

　　His home and office(one place)is very far from my house.

　　A black and white dog(one dog) is playing.

　　What he said and thought was for others.

　　有时两个名词虽由and连接，但习惯上被看作是一样东西，这时动词也用单数：

　　Bread and butter is enough for me.

　　Whisky and soda is his favourite.

　　Duck and peas is delicious，but eggs and bacon is better.

　　That cup and saucer is broken.

　　The wheel and axle is out of repair.

　　A needle and thread is all my grandmother needs.

　　Romeo and Juliet is a tragedy.

　　两个抽象名词一起用时，有时代表两个东西，有时代表一个东西，动词的单复数要根据意思来决定，有时两者都可以(看我们如何考虑)：

　　The use and object of this are(or is)simple.

　　The stitching and binding of books are(or is)a hard job.

　　His courage and endurance are(or is)Great.

　　Sym pathy and understanding are(or is)required.

　　Trial and error(通常看作一个概念)is the best way tolearn.

　　All work and no play makes Jack a dull boy.

　　The ebb and flow of one's fortune is a matter of course.