Subject Verb Agreement: Tutorial

Subject-Verb Agreement with Expressions of Quantity
1)   Each, every, and one take a singular verb.
  
    Each student has an ID card.
Every person needs love.
One source of energy is wind.
  
2)
Each one of   + plural noun + singular verb
Every
One of
  
Each (one) of the classes is interesting.
Each of the girls is good-looking.
Every one of his colleagues is here.
Only one of them is tall.
  
3) None + of the + non-count nouns + singular verb
  
None of the cream is good.
  
4) None + of the + count nouns + plural verb (informal)
None + of the + count nouns + singular verb (formal)
  
None of the players are ready.
None of the players is ready.
  
5) A number of + plural noun + plural verb
  
A number of magazines are laid on the table.
The number of + plural noun + singular verb
The number of the graduate students is high this semester.
  
Note: Most quantifiers followed by of take either a singular or a plural verb depending on the subject that comes after of. A singular noun follows a singular verb and a plural noun follows a plural verb.
  
S V
Some of the   bread   is   stale
S V
Some of the   pictures   are  clear.
  
6) All indefinite pronouns take singular verbs.
Anybody       Anyone       Anything
Somebody       Someone       Something
Everybody       Everyone       Everything
Nobody       No one       Nothing
  
Somebody is at the door.
Anyone who knows a second language can apply for the position. 
  
7) Quantifiers      Few      a few      little      a little
  
Little and a little are used with non-count nouns. A little has a positive meaning, but little implies a negative meaning.
  
I have a little money left.     (I have some money.)
The bottle has (very) little water.     (Almost no water)
  
The word very emphasizes the negative quantity.
  
Few and a few are used with plural count nouns. A few has a positive meaning, but few has a negative meaning.
       
He has a few clothes.     (He has some clothes.)
He has (very) few friends.     (Hardly any, almost no friends.)
  
8) The following expressions of quantity are used with plural count nouns and non-count nouns.
   
a lot of = many (formal) 
lots of = many (informal)
plenty of
some
most
no 
not any
any
  
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These expressions of quantity are used with non-count nouns (coffee, nail, postage).
a great deal
much
less
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9) These nouns are always plural and take plural verbs unless a unit expression accompanies the noun.
  
police       glasses       jeans
pliers       scissors       tweezers
pants       people       tongs
  
Her pants are pressed.
Those scissors are sharp.
A pair of jeans is versatile.
  
10) Collective nouns are considered singular and take singular verbs.
  
staff       public       organization
jury       team       committee
crowd       army       audience
  
The staff at the university is always helpful.
The organization is inviting new members.
  
Subject Verb Agreement - Prepositional Expressions - Expressions of Quantity