Four main types:
1. Equations with
be.
"The streets were calm with Sunday." [Aimee Bender]
"Nat was Nat." [Bernard Malamud], The Assistant, 130
"So that was that." [Eric Ambler], Intrigue, 300
2. Equations with linking verbs.
"War remains the decisive human failure." [John Kenneth Galbraith]
3. Intransitives. The verb may or may not be followed by an adverbial modifier.
"Autos honked. Trees rustled. People passed. Arnie went out." [Langston Hughes]
4. Transitives. The verb is followed by a noun phrase or a direct object.
"Everyone has someone. Except me." [Carolyn See]