Cactus is Singular.
Cacti is Plural.
Examples:
I saw a cactus at the national park.
I saw cacti at the natural park.
This is not correct:
I saw a cacti at the national park.
The plural form for the singular noun cactus is cacti.
Cactus is singular. The plural forms are cacti or cactuses, both are accepted.Examples:I saw a cactus at the national park.I saw some cacti at the natural park.We have several flowering cactuses in stock.
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
Cacti is plural. Cactus is singular.
Cacti is plural form for the singular cactus.
cactus for a single plant cacti for plural
The plural form for the singular noun cactus is cacti.
Cactus is singular, cacti is plural.
Cacti is the singular and catus is the plural. :)
Possessive noun.
There are two accepted forms for possessive singular nouns ending in s:Add an apostrophe (') after the existing s at the end of the word: cactus'Add an apostrophe s ('s) after the existing s at the end of the word: cactus'sExamples:The night blooming cactus' name is Queen of the Night.The night blooming cactus's name is Queen of the Night.
Cactus is singular. The plural forms are cacti or cactuses, both are accepted.Examples:I saw a cactus at the national park.I saw some cacti at the natural park.We have several flowering cactuses in stock.
Platypus - platypi cactus - cacti
"Cactus" is the singular form.
Cactus is the singular form.