English verb conjugation
COULD DIZEN

Regular verb: dizen - dizened - dizened

Affirmation

Simple form	V-ing form
I could dizen you could dizen he could dizen we could dizen you could dizen they could dizen	I could be dizening you could be dizening he could be dizening we could be dizening you could be dizening they could be dizening
Perfect	V-ing perfect
I could have dizened you could have dizened he could have dizened we could have dizened you could have dizened they could have dizened	I could have been dizening you could have been dizening he could have been dizening we could have been dizening you could have been dizening they could have been dizening

Negation

Simple form	V-ing form
I couldn't dizen you couldn't dizen he couldn't dizen we couldn't dizen you couldn't dizen they couldn't dizen	I couldn't be dizening you couldn't be dizening he couldn't be dizening we couldn't be dizening you couldn't be dizening they couldn't be dizening
Perfect	V-ing perfect
I couldn't have dizened you couldn't have dizened he couldn't have dizened we couldn't have dizened you couldn't have dizened they couldn't have dizened	I couldn't have been dizening you couldn't have been dizening he couldn't have been dizening we couldn't have been dizening you couldn't have been dizening they couldn't have been dizening

Interrogative form

Simple form	V-ing form
could I dizen? could you dizen? could he dizen? could we dizen? could you dizen? could they dizen?	could I be dizening? could you be dizening? could he be dizening? could we be dizening? could you be dizening? could they be dizening?
Perfect	V-ing perfect
could I have dizened? could you have dizened? could he have dizened? could we have dizened? could you have dizened? could they have dizened?	could I have been dizening? could you have been dizening? could he have been dizening? could we have been dizening? could you have been dizening? could they have been dizening?

Interro-negative form

Simple form	V-ing form
couldn't I dizen? couldn't you dizen? couldn't he dizen? couldn't we dizen? couldn't you dizen? couldn't they dizen?	couldn't I be dizening? couldn't you be dizening? couldn't he be dizening? couldn't we be dizening? couldn't you be dizening? couldn't they be dizening?
Perfect	V-ing perfect
couldn't I have dizened? couldn't you have dizened? couldn't he have dizened? couldn't we have dizened? couldn't you have dizened? couldn't they have dizened?	couldn't I have been dizening? couldn't you have been dizening? couldn't he have been dizening? couldn't we have been dizening? couldn't you have been dizening? couldn't they have been dizening?