有些名词它的外形像复数形式，而实际上是单数形式，如。pparatus, chaos, crisis, gal-
lows, innings(任职期)，measles麻疹)，mumps腮腺炎)，news, summons, where-
Her present whereabouts is unknown.
The summons of the court was sent out yesterday.
有些名词单、复数同形，谓语动词用单数还是复数取决于上下文，如deer, sheep, space-
craft, aircraft, barracks, headquarters, means, series, species, works等。例如:
We have already launched many slow and modest spacecraft.
This means is very effective.
物时，我们通常把这种用and连接起来的名词，即n. + and + n.看成单数，如bread and
butter, whisky and soda，cup and saucer, salt and water，knife and fork，watch and
chain, cart and horse, war and peace, law and order, trial and error等.例如:
Bread and butter is our daily food.
My teacher and friend is well known in our community.
Mary's love and affection for her husband is intense.
一些表示集体的名词如class, committee, team, family, cabinet, crew, couple, coun-
cil, audience, staff, jury, party, faculty等，如果把它们看成一个整体，谓语动词用单
The jury is to adjudicate the case next Sunday.
The jury is going to acquit him of the crimes.
5. A series of，A portion of.A species of+n. (p1.).。.V (sing.)结构
A series of lectures on educational psychology is said to be given by Dr. John.
A species of advertisements was put up on the wall.
6.主语+including, as well as, with，together with，as much as, in addition to，accompanted by等介词短语
She as well as her students is given many child-care books.
The president，accompanied by his top aides，is to visit the area.
7. Neither of+n.(Pl.)，Either of+s2(Pl.)结构用作主语
Neither of us heard of the crime that was played up by the local newspapers.
"Either of us is mad."Napoleon said to a soldier when he inspected the army.
8. Neither…nor…，Either…or…，Not only…but also…结构用作主语
Neither the teacher nor the students were introduced to their dean.
Either Tom or you are to blame for the mistakes.
9. one and a half ,.month and a half等衰示“一个半”的短语主语
An apple and a half was eaten by the child.
One and a half months has elapsed.
10. one of+n.(P).)+who/which八hat二。V ( pl.).the only one of+n.(Pl.)+
who/which八hat ..。V ( sing.)结构
Pat was one of the few persons I know who have learnt from experience.
This is one of the most interesting questions that have been asked.
Sarah was the only one of the youngest girls who plays in the band.