The plural of "memento" is "mementos".
Mementoes is the plural of memento
The spelling momento is Spanish for "moment" (a short time, a second or two). So it is possible to have a plural form momentos.The similarly spelled English word is memento, a souvenir or keepsake. The usual plural spelling is mementos.
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 "is" is "are."
The plural form of "was" is "were."
The plural form of "I" is "we."
The word 'momento' is not an English word, it means 'moment' (which is English) in Spanish, Italian and Portuguese
"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.