The singular noun is potato.
To form the plural, add 'es' to the end of the singular noun.
The plural noun is potatoes.
Examples:
Mom put four potatoes in the oven to bake. (plural)
She knows that a baked potato is my favorite. (singular)
The plural form of the word potato is potatoes.
Because potatos looks like it would sound like poe-TAY-toss.
The plural of potato is potatoes, so it is mashed potatoes.
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "was" is "were."
The plural form of "I" is "we."
The plural form of "is" is "are."
"Groceries" is the plural form of "grocery."
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.