English verb conjugation
COULD PUN

Regular verb: pun - punned - punned

Affirmation

Simple form	V-ing form
I could pun you could pun he could pun we could pun you could pun they could pun	I could be punning you could be punning he could be punning we could be punning you could be punning they could be punning
Perfect	V-ing perfect
I could have punned you could have punned he could have punned we could have punned you could have punned they could have punned	I could have been punning you could have been punning he could have been punning we could have been punning you could have been punning they could have been punning

Negation

Simple form	V-ing form
I couldn't pun you couldn't pun he couldn't pun we couldn't pun you couldn't pun they couldn't pun	I couldn't be punning you couldn't be punning he couldn't be punning we couldn't be punning you couldn't be punning they couldn't be punning
Perfect	V-ing perfect
I couldn't have punned you couldn't have punned he couldn't have punned we couldn't have punned you couldn't have punned they couldn't have punned	I couldn't have been punning you couldn't have been punning he couldn't have been punning we couldn't have been punning you couldn't have been punning they couldn't have been punning

Interrogative form

Simple form	V-ing form
could I pun? could you pun? could he pun? could we pun? could you pun? could they pun?	could I be punning? could you be punning? could he be punning? could we be punning? could you be punning? could they be punning?
Perfect	V-ing perfect
could I have punned? could you have punned? could he have punned? could we have punned? could you have punned? could they have punned?	could I have been punning? could you have been punning? could he have been punning? could we have been punning? could you have been punning? could they have been punning?

Interro-negative form

Simple form	V-ing form
couldn't I pun? couldn't you pun? couldn't he pun? couldn't we pun? couldn't you pun? couldn't they pun?	couldn't I be punning? couldn't you be punning? couldn't he be punning? couldn't we be punning? couldn't you be punning? couldn't they be punning?
Perfect	V-ing perfect
couldn't I have punned? couldn't you have punned? couldn't he have punned? couldn't we have punned? couldn't you have punned? couldn't they have punned?	couldn't I have been punning? couldn't you have been punning? couldn't he have been punning? couldn't we have been punning? couldn't you have been punning? couldn't they have been punning?