English verb conjugation
COULD DIN

Regular verb: din - dinned - dinned

Affirmation

Simple form	V-ing form
I could din you could din she could din we could din you could din they could din	I could be dinning you could be dinning she could be dinning we could be dinning you could be dinning they could be dinning
Perfect	V-ing perfect
I could have dinned you could have dinned she could have dinned we could have dinned you could have dinned they could have dinned	I could have been dinning you could have been dinning she could have been dinning we could have been dinning you could have been dinning they could have been dinning

Negation

Simple form	V-ing form
I could not din you could not din she could not din we could not din you could not din they could not din	I could not be dinning you could not be dinning she could not be dinning we could not be dinning you could not be dinning they could not be dinning
Perfect	V-ing perfect
I could not have dinned you could not have dinned she could not have dinned we could not have dinned you could not have dinned they could not have dinned	I could not have been dinning you could not have been dinning she could not have been dinning we could not have been dinning you could not have been dinning they could not have been dinning

Interrogative form

Simple form	V-ing form
could I din? could you din? could she din? could we din? could you din? could they din?	could I be dinning? could you be dinning? could she be dinning? could we be dinning? could you be dinning? could they be dinning?
Perfect	V-ing perfect
could I have dinned? could you have dinned? could she have dinned? could we have dinned? could you have dinned? could they have dinned?	could I have been dinning? could you have been dinning? could she have been dinning? could we have been dinning? could you have been dinning? could they have been dinning?

Interro-negative form

Simple form	V-ing form
could I not din? could you not din? could she not din? could we not din? could you not din? could they not din?	could I not be dinning? could you not be dinning? could she not be dinning? could we not be dinning? could you not be dinning? could they not be dinning?
Perfect	V-ing perfect
could I not have dinned? could you not have dinned? could she not have dinned? could we not have dinned? could you not have dinned? could they not have dinned?	could I not have been dinning? could you not have been dinning? could she not have been dinning? could we not have been dinning? could you not have been dinning? could they not have been dinning?