A number of animals (has/have) been killed
have
The number of animals that (has/have) been killed … (is/are) …
has … is …
The president (has/have)
has
Neither Mary’s brothers nor Mary (is/are) going to come tonight.
is (Mary) Agrees with the second subject
Neither Mary nor the boys (is/are) going to the party tonight.
Are (the boys)Agrees with the second subject
Each of the boys (was/were)
was
The boys each (was/were)
were
There (is/are) not much vitamin A
is
There (is/are) not many vitamins
are
A huge amount of fat (has/have) been
has
A large amount of fats (has/have) been
have
Phenomenon (is/are)
is
Phenomena (is/are)
are
Congress (is/are)
is
Family (is/are)
is
Team (is/are)
is
Union (is/are)
is
Collection (is/are)
is
Group (is/are)
is
Twenty-five dollars (is/are) too much to pay.
is(used as whole)
There (is/are) sixty minutes in one hour.
are
Scissors (is/are)
are
Shorts (is/are)
are
Pants (is/are)
are