The Conjugator
Konjugation des englischen Verbs
COULD HAPPEN

Regelmäßiges Verb: happen - happened - happened

Bestätigung

Einfache Form

Form mit V-ing

-
-
it could happen
-
-
-		-
-
it could be happening
-
-
-

Perfekt

Perfekt mit V-ing

-
-
it could have happened
-
-
-		-
-
it could have been happening
-
-
-

Negation

Einfache Form

Form mit V-ing

-
-
it couldn't happen
-
-
-		-
-
it couldn't be happening
-
-
-

Perfekt

Perfekt mit V-ing

-
-
it couldn't have happened
-
-
-		-
-
it couldn't have been happening
-
-
-

Fragende Form

Einfache Form

Form mit V-ing

-
-
could it happen?
-
-
-		-
-
could it be happening?
-
-
-

Perfekt

Perfekt mit V-ing

-
-
could it have happened?
-
-
-		-
-
could it have been happening?
-
-
-

Fragende Negation Form

Einfache Form

Form mit V-ing

-
-
couldn't it happen?
-
-
-		-
-
couldn't it be happening?
-
-
-

Perfekt

Perfekt mit V-ing

-
-
couldn't it have happened?
-
-
-		-
-
couldn't it have been happening?
-
-
-