Conjugación del verbo inglés COULD CATALYSE
Verbo regular: catalyse - catalysed - catalysed
Afirmación
Forma simple
I could catalyseyou could catalyse
he could catalyse
we could catalyse
you could catalyse
they could catalyse
Forma con V-ing
I could be catalysingyou could be catalysing
he could be catalysing
we could be catalysing
you could be catalysing
they could be catalysing
Perfecto
I could have catalysedyou could have catalysed
he could have catalysed
we could have catalysed
you could have catalysed
they could have catalysed
Perfecto con V-ing
I could have been catalysingyou could have been catalysing
he could have been catalysing
we could have been catalysing
you could have been catalysing
they could have been catalysing
Negación
Forma simple
I couldn't catalyseyou couldn't catalyse
he couldn't catalyse
we couldn't catalyse
you couldn't catalyse
they couldn't catalyse
Forma con V-ing
I couldn't be catalysingyou couldn't be catalysing
he couldn't be catalysing
we couldn't be catalysing
you couldn't be catalysing
they couldn't be catalysing
Perfecto
I couldn't have catalysedyou couldn't have catalysed
he couldn't have catalysed
we couldn't have catalysed
you couldn't have catalysed
they couldn't have catalysed
Perfecto con V-ing
I couldn't have been catalysingyou couldn't have been catalysing
he couldn't have been catalysing
we couldn't have been catalysing
you couldn't have been catalysing
they couldn't have been catalysing
Forma interrogativa
Forma simple
could I catalyse?could you catalyse?
could he catalyse?
could we catalyse?
could you catalyse?
could they catalyse?
Forma con V-ing
could I be catalysing?could you be catalysing?
could he be catalysing?
could we be catalysing?
could you be catalysing?
could they be catalysing?
Perfecto
could I have catalysed?could you have catalysed?
could he have catalysed?
could we have catalysed?
could you have catalysed?
could they have catalysed?
Perfecto con V-ing
could I have been catalysing?could you have been catalysing?
could he have been catalysing?
could we have been catalysing?
could you have been catalysing?
could they have been catalysing?
Forma interro-negativa
Forma simple
couldn't I catalyse?couldn't you catalyse?
couldn't he catalyse?
couldn't we catalyse?
couldn't you catalyse?
couldn't they catalyse?
Forma con V-ing
couldn't I be catalysing?couldn't you be catalysing?
couldn't he be catalysing?
couldn't we be catalysing?
couldn't you be catalysing?
couldn't they be catalysing?
Perfecto
couldn't I have catalysed?couldn't you have catalysed?
couldn't he have catalysed?
couldn't we have catalysed?
couldn't you have catalysed?
couldn't they have catalysed?
Perfecto con V-ing
couldn't I have been catalysing?couldn't you have been catalysing?
couldn't he have been catalysing?
couldn't we have been catalysing?
couldn't you have been catalysing?
couldn't they have been catalysing?