English verb conjugation
CAN DARN

Regular verb: darn - darned - darned

Affirmation

Simple form	V-ing form
I can darn you can darn she can darn we can darn you can darn they can darn	I can be darning you can be darning she can be darning we can be darning you can be darning they can be darning
Perfect	V-ing perfect
I can have darned you can have darned she can have darned we can have darned you can have darned they can have darned	I can have been darning you can have been darning she can have been darning we can have been darning you can have been darning they can have been darning

Negation

Simple form	V-ing form
I can't darn you can't darn she can't darn we can't darn you can't darn they can't darn	I can't be darning you can't be darning she can't be darning we can't be darning you can't be darning they can't be darning
Perfect	V-ing perfect
I can't have darned you can't have darned she can't have darned we can't have darned you can't have darned they can't have darned	I can't have been darning you can't have been darning she can't have been darning we can't have been darning you can't have been darning they can't have been darning

Interrogative form

Simple form	V-ing form
can I darn? can you darn? can she darn? can we darn? can you darn? can they darn?	can I be darning? can you be darning? can she be darning? can we be darning? can you be darning? can they be darning?
Perfect	V-ing perfect
can I have darned? can you have darned? can she have darned? can we have darned? can you have darned? can they have darned?	can I have been darning? can you have been darning? can she have been darning? can we have been darning? can you have been darning? can they have been darning?

Interro-negative form

Simple form	V-ing form
can't I darn? can't you darn? can't she darn? can't we darn? can't you darn? can't they darn?	can't I be darning? can't you be darning? can't she be darning? can't we be darning? can't you be darning? can't they be darning?
Perfect	V-ing perfect
can't I have darned? can't you have darned? can't she have darned? can't we have darned? can't you have darned? can't they have darned?	can't I have been darning? can't you have been darning? can't she have been darning? can't we have been darning? can't you have been darning? can't they have been darning?