Conjugación del verbo inglés SHOULD HAPPEN
Verbo regular: happen - happened - happened
Afirmación
Forma simple
--
it'd happen
-
-
-
Forma con V-ing
--
it'd be happening
-
-
-
Perfecto
--
it should've happened
-
-
-
Perfecto con V-ing
--
it should've been happening
-
-
-
Negación
Forma simple
--
it shouldn't happen
-
-
-
Forma con V-ing
--
it shouldn't be happening
-
-
-
Perfecto
--
it shouldn't have happened
-
-
-
Perfecto con V-ing
--
it shouldn't have been happening
-
-
-
Forma interrogativa
Forma simple
--
should it happen?
-
-
-
Forma con V-ing
--
should it be happening?
-
-
-
Perfecto
--
should it have happened?
-
-
-
Perfecto con V-ing
--
should it have been happening?
-
-
-
Forma interro-negativa
Forma simple
--
shouldn't it happen?
-
-
-
Forma con V-ing
--
shouldn't it be happening?
-
-
-
Perfecto
--
shouldn't it have happened?
-
-
-
Perfecto con V-ing
--
shouldn't it have been happening?
-
-
-