English verb conjugation
COULD HYMN

Regular verb: hymn - hymned - hymned

Affirmation

Simple form	V-ing form
I could hymn you could hymn he could hymn we could hymn you could hymn they could hymn	I could be hymning you could be hymning he could be hymning we could be hymning you could be hymning they could be hymning
Perfect	V-ing perfect
I could have hymned you could have hymned he could have hymned we could have hymned you could have hymned they could have hymned	I could have been hymning you could have been hymning he could have been hymning we could have been hymning you could have been hymning they could have been hymning

Negation

Simple form	V-ing form
I couldn't hymn you couldn't hymn he couldn't hymn we couldn't hymn you couldn't hymn they couldn't hymn	I couldn't be hymning you couldn't be hymning he couldn't be hymning we couldn't be hymning you couldn't be hymning they couldn't be hymning
Perfect	V-ing perfect
I couldn't have hymned you couldn't have hymned he couldn't have hymned we couldn't have hymned you couldn't have hymned they couldn't have hymned	I couldn't have been hymning you couldn't have been hymning he couldn't have been hymning we couldn't have been hymning you couldn't have been hymning they couldn't have been hymning

Interrogative form

Simple form	V-ing form
could I hymn? could you hymn? could he hymn? could we hymn? could you hymn? could they hymn?	could I be hymning? could you be hymning? could he be hymning? could we be hymning? could you be hymning? could they be hymning?
Perfect	V-ing perfect
could I have hymned? could you have hymned? could he have hymned? could we have hymned? could you have hymned? could they have hymned?	could I have been hymning? could you have been hymning? could he have been hymning? could we have been hymning? could you have been hymning? could they have been hymning?

Interro-negative form

Simple form	V-ing form
couldn't I hymn? couldn't you hymn? couldn't he hymn? couldn't we hymn? couldn't you hymn? couldn't they hymn?	couldn't I be hymning? couldn't you be hymning? couldn't he be hymning? couldn't we be hymning? couldn't you be hymning? couldn't they be hymning?
Perfect	V-ing perfect
couldn't I have hymned? couldn't you have hymned? couldn't he have hymned? couldn't we have hymned? couldn't you have hymned? couldn't they have hymned?	couldn't I have been hymning? couldn't you have been hymning? couldn't he have been hymning? couldn't we have been hymning? couldn't you have been hymning? couldn't they have been hymning?