The noun 'duo' is singular; a singing performance by two singers, a word for two people who perform together, work together as a team, or who regularly do things together. The plural form is duos. Example sentence:
Batman and Robin are known as the dynamic duo.
The noun 'duo' is a singular noun, a word for one group of two people or things (a pair).The plural noun is 'duos' a word for two or more groups of two people or things.
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.
The word 'duo' is the singular form; the plural form is duos.
The noun 'duo' is a singular noun, a word for one group of two people or things (a pair).The plural noun is 'duos' a word for two or more groups of two people or things.
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.
The plural form of duo is duos; meaning two (or more) pairs.
"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.
'These' is the plural form of 'this'.
Who may be singular or plural.
This is singular. These is the plural form.