The Conjugator
English verb conjugation
OUGHT TO HAPPEN

Regular verb: happen - happened - happened

Affirmation

Simple form

V-ing form

-
-
it ought to happen
-
-
-
-
-
it ought to be happening
-
-
-

Perfect

V-ing perfect

-
-
it ought to have happened
-
-
-
-
-
it ought to have been happening
-
-
-

Negation

Simple form

V-ing form

-
-
it ought not to happen
-
-
-
-
-
it ought not to happening
-
-
-

Perfect

V-ing perfect

-
-
it ought not to have happened
-
-
-
-
-
it ought not to have been happening
-
-
-

Interrogative form

Simple form

V-ing form

-
-
ought to it happen?
-
-
-
-
-
ought to it be happening?
-
-
-

Perfect

V-ing perfect

-
-
ought to it have happened?
-
-
-
-
-
ought to it have been happening?
-
-
-

Interro-negative form

Simple form

V-ing form

-
-
ought it not to happen?
-
-
-
-
-
ought it not to be happening?
-
-
-

Perfect

V-ing perfect

-
-
ought it not to have happened?
-
-
-
-
-
ought it not to have been happening?
-
-
-