Present: hay
Imperfect: había
Preterite: hubo
Future: habrá
Conditional: habría
Subjunctive: haya
Past Subjunctive: hubiera
The 1st singular past of "be" is was, and the 3rd singular past is was as well.
Esophageal (oesophageal) is an adjective and so does not have singular and plural forms.
'Discuss' is a verb. In english, only nouns and pronouns have singular and plural forms. the verb discuss can be used with both singular nouns and pronouns (I discuss) and plural nouns and pronouns (we discuss).
noun that are plural in form but singular in meaning
Addendum is the singular form.The plural forms are addenda or addendums, both are accepted.
The word singular is an adjective. Adjectives do not have singular or plural forms; adjectives have comparative forms: positive: singular comparative: more singular superlative: most singular
Singular. Plural is: they are, have and do.
Oropharynx is Singular Oropharynges is Plural
the haber process was invented by Fritz haber in 1908
They are all singular verb forms.
"Formula" is singular; the plural forms is formulae or formulas.
The noun memorandum is singular; the plural forms are memoranda or memorandums.
The 1st singular past of "be" is was, and the 3rd singular past is was as well.
Yes, most have singular and plural forms. Some also have a third form, called "dual".
"This" and "that" are singular. Their plural forms are "these" and "those."
The singular form is agendum. The plural forms are agenda or agendums.
I have, you have, he/she has.