It is singular. We say "my advice is..."
The plural form for 'piece of advice' is pieces of advice.
It is advice it stands for plural and singular.
The plural of "advice" is also "advice." Unlike many nouns in English that change form when pluralized, "advice" remains the same in its singular and plural form.
The word recommends is a conjugation of the verb "to recommend" and as such would not have a plural.It is used for the third-person singular in the present tense (e.g. he recommends).The third-person plural in the present tense is recommend (e.g. they recommend, and it is actually the same for any person other than third-person singular).
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.
'These' is the plural form of 'this'.
Who may be singular or plural.