ofcourse, chair becomes chairs. You just add an s. Table becomes tables
The noun 'favorite' is a singular noun. The plural noun is 'favorites'.The word 'favorite' is also an adjective.
The noun 'toys' is the plural form of the singular noun 'toy'.The word 'toys' is also the third person, singular, present of the verb to toy.
The noun 'mice' is the plural form of the singular noun 'mouse'.
The singular noun is "louse" and the plural noun is "lice."
noun that are plural in form but singular in meaning
The noun 'maps' is the plural form of the singular noun 'map'.The word 'maps' is also the third person, singular, present of the verb to map.
The noun children is the plural form of the singular noun child.
The noun 'circus' is a singular noun.The plural noun is 'circuses'.
The noun juggler is a singular noun. The plural noun is jugglers.
The singular noun is Tuesday.The plural noun is Tuesdays.
The singular noun is trio; the plural noun is trios.
The noun 'orchid' is a singular noun, a word for one.The plural noun is 'orchids'.