The singular form is bacillus (one organism, or one type of organism). The plural is bacilli.
Examples:
He could clearly see the shape of the bacillus. This bacillus is common in tropical climates.
Bacilli were found in his spleen. Various bacilli are endemic to the region.
Bacilli is plural. The singular is bacillus.
The plural form of the noun 'bacillus' is bacilli.
Singular and plural.
Singular. Plural is: they are, have and do.
Oropharynx is Singular Oropharynges is Plural
The word singular is an adjective. Adjectives do not have singular or plural forms; adjectives have comparative forms: positive: singular comparative: more singular superlative: most singular
Bacterium. The plural form -a comes from Latin, where a 2nd declension neuter noun's singular is -um and its plural is -a. You can see the same from datum, data;
Some examples of irregular verbs and their plural forms include: Go - Singular: goes, Plural: go Have - Singular: has, Plural: have Do - Singular: does, Plural: do Be - Singular: is, Plural: are Come - Singular: comes, Plural: come
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
No, the singular is alumna and the plural is alumnae.The other forms are the singular alumnus and the plural alumni.
"This" and "that" are singular. Their plural forms are "these" and "those."
Isthmi is plural. There are actually two plural forms. I will list them from singular to plural. Isthmus - Singular Isthmi - Plural Isthmuses - Plural