English verb conjugation
COULD UNCROWN

Regular verb: uncrown - uncrowned - uncrowned

Affirmation

Simple form	V-ing form
I could uncrown you could uncrown he could uncrown we could uncrown you could uncrown they could uncrown	I could be uncrowning you could be uncrowning he could be uncrowning we could be uncrowning you could be uncrowning they could be uncrowning
Perfect	V-ing perfect
I could have uncrowned you could have uncrowned he could have uncrowned we could have uncrowned you could have uncrowned they could have uncrowned	I could have been uncrowning you could have been uncrowning he could have been uncrowning we could have been uncrowning you could have been uncrowning they could have been uncrowning

Negation

Simple form	V-ing form
I couldn't uncrown you couldn't uncrown he couldn't uncrown we couldn't uncrown you couldn't uncrown they couldn't uncrown	I couldn't be uncrowning you couldn't be uncrowning he couldn't be uncrowning we couldn't be uncrowning you couldn't be uncrowning they couldn't be uncrowning
Perfect	V-ing perfect
I couldn't have uncrowned you couldn't have uncrowned he couldn't have uncrowned we couldn't have uncrowned you couldn't have uncrowned they couldn't have uncrowned	I couldn't have been uncrowning you couldn't have been uncrowning he couldn't have been uncrowning we couldn't have been uncrowning you couldn't have been uncrowning they couldn't have been uncrowning

Interrogative form

Simple form	V-ing form
could I uncrown? could you uncrown? could he uncrown? could we uncrown? could you uncrown? could they uncrown?	could I be uncrowning? could you be uncrowning? could he be uncrowning? could we be uncrowning? could you be uncrowning? could they be uncrowning?
Perfect	V-ing perfect
could I have uncrowned? could you have uncrowned? could he have uncrowned? could we have uncrowned? could you have uncrowned? could they have uncrowned?	could I have been uncrowning? could you have been uncrowning? could he have been uncrowning? could we have been uncrowning? could you have been uncrowning? could they have been uncrowning?

Interro-negative form

Simple form	V-ing form
couldn't I uncrown? couldn't you uncrown? couldn't he uncrown? couldn't we uncrown? couldn't you uncrown? couldn't they uncrown?	couldn't I be uncrowning? couldn't you be uncrowning? couldn't he be uncrowning? couldn't we be uncrowning? couldn't you be uncrowning? couldn't they be uncrowning?
Perfect	V-ing perfect
couldn't I have uncrowned? couldn't you have uncrowned? couldn't he have uncrowned? couldn't we have uncrowned? couldn't you have uncrowned? couldn't they have uncrowned?	couldn't I have been uncrowning? couldn't you have been uncrowning? couldn't he have been uncrowning? couldn't we have been uncrowning? couldn't you have been uncrowning? couldn't they have been uncrowning?