The noun 'crew' is a singular noun, a word for one group of workers; the plural form is crews.
Singular - CREWS = plural. The problem is that it can take a singular or plural verb form. When the word is viewed as a collective noun and its members act as a collectivity, the verb should be plural. ex: The crew ARE tired. When the verb is seen as a unit, as a whole, it takes a singular form: ex. The crew IS made up of 20 people.
Are is plural. "Is" is singular. For example, "There is a glove on the chair". That is singular. "There are gloves on the chair". That is plural.
Who may be singular or plural.
diagnosis is singular diagnoses is plural sis = singular ses = plural
Atrium is singular - the plural is atria.
Singular - CREWS = plural. The problem is that it can take a singular or plural verb form. When the word is viewed as a collective noun and its members act as a collectivity, the verb should be plural. ex: The crew ARE tired. When the verb is seen as a unit, as a whole, it takes a singular form: ex. The crew IS made up of 20 people.
practitioner is singular (plural practitioners)sofa is singular (plural sofas)satellite is singular (plural satellites)clips is plural (singular clip)dentist is singular (plural dentists)dollars is plural (singular dollar)article is singular (plural articles)magazines is plural (singular magazine)laminator is singular (laminators is plural)radios is plural (singular radio)
singular and plural
Singular: book / Plural: books Singular: cat / Plural: cats Singular: child / Plural: children Singular: foot / Plural: feet
Are is plural. "Is" is singular. For example, "There is a glove on the chair". That is singular. "There are gloves on the chair". That is plural.
"Has" is singular, e.g. He has, she has. "Have" is plural, e.g. They have, we have. The exception is "I" - e.g. I have.
The word team is singular; the plural form is teams.
Who may be singular or plural.
This is singular. These is the plural form.
These is plural, this is singular
'These' is the plural form of 'this'.
diagnosis is singular diagnoses is plural sis = singular ses = plural