English verb conjugation
CAN DEN

Regular verb: den - dened - dened

Affirmation

Simple form	V-ing form
I can den you can den she can den we can den you can den they can den	I can be dening you can be dening she can be dening we can be dening you can be dening they can be dening
Perfect	V-ing perfect
I can have dened you can have dened she can have dened we can have dened you can have dened they can have dened	I can have been dening you can have been dening she can have been dening we can have been dening you can have been dening they can have been dening

Negation

Simple form	V-ing form
I cannot den you cannot den she cannot den we cannot den you cannot den they cannot den	I cannot be dening you cannot be dening she cannot be dening we cannot be dening you cannot be dening they cannot be dening
Perfect	V-ing perfect
I cannot have dened you cannot have dened she cannot have dened we cannot have dened you cannot have dened they cannot have dened	I cannot have been dening you cannot have been dening she cannot have been dening we cannot have been dening you cannot have been dening they cannot have been dening

Interrogative form

Simple form	V-ing form
can I den? can you den? can she den? can we den? can you den? can they den?	can I be dening? can you be dening? can she be dening? can we be dening? can you be dening? can they be dening?
Perfect	V-ing perfect
can I have dened? can you have dened? can she have dened? can we have dened? can you have dened? can they have dened?	can I have been dening? can you have been dening? can she have been dening? can we have been dening? can you have been dening? can they have been dening?

Interro-negative form

Simple form	V-ing form
can I not den? can you not den? can she not den? can we not den? can you not den? can they not den?	can I not be dening? can you not be dening? can she not be dening? can we not be dening? can you not be dening? can they not be dening?
Perfect	V-ing perfect
can I not have dened? can you not have dened? can she not have dened? can we not have dened? can you not have dened? can they not have dened?	can I not have been dening? can you not have been dening? can she not have been dening? can we not have been dening? can you not have been dening? can they not have been dening?