The singular form of a word is the form which applies only to one object, place, concept, animal, or person. For nouns, the singular form is usually the form which does not end in S. On verbs, the singular form usually ends in an S. Of course, for many words, another word is used instead, like using they as the plural form of he or she. The word they does not end in S.
analysis itself is a singular form
The noun form 'cut' is singular; the plural form is 'cuts'.
The noun genius is the singular form, the plural form is geniuses.
Yes, apple is the singular; the plural form is apples.
The singular possessive form of criterion is criterion's
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "that" is "it."
The singular form of "cuffs" is cuff.
The singular form of binoculars is "binocular."
The singular form of "stratum" is "stratum." The word does not change in its singular form.
The form hypothesis is the singular form. The plural form is hypotheses.
Phenomenon is the singular form of phenomena.
The singular form of "oases" is "oasis."
The singular form of "wash" is "washing."
The singular form of "dice" is "die."
The singular form of scissors is "scissor."
The singular form of diagnoses is diagnosis.