The singular is "pulley".
Pulleys is the plural form; the singular is pulley.
That is correct. Company is the singular noun, and company's is the singular possessive.
MOVIE
woman
I spell it as T.Shirt when using it as a singular but t.shirt when used in a sentence.
The singular possessive is cabinet's (referring to one cabinet).
The singular is cigar and the plural is cigars.
'Woman' in singular or 'women' in plural.
Bacteria is the plural; bacterium is the singular.
The singular form of the plural noun 'geese' is goose.The singular possessive form is goose's.
The singular form of "sheep" is spelled as "sheep," which remains the same in both singular and plural form.
singular= tradición plural= tradiciones