English verb conjugation
CAN END

Regular verb: end - ended - ended

Affirmation

Simple form	V-ing form
I can end you can end he can end we can end you can end they can end	I can be ending you can be ending he can be ending we can be ending you can be ending they can be ending
Perfect	V-ing perfect
I can have ended you can have ended he can have ended we can have ended you can have ended they can have ended	I can have been ending you can have been ending he can have been ending we can have been ending you can have been ending they can have been ending

Negation

Simple form	V-ing form
I can't end you can't end he can't end we can't end you can't end they can't end	I can't be ending you can't be ending he can't be ending we can't be ending you can't be ending they can't be ending
Perfect	V-ing perfect
I can't have ended you can't have ended he can't have ended we can't have ended you can't have ended they can't have ended	I can't have been ending you can't have been ending he can't have been ending we can't have been ending you can't have been ending they can't have been ending

Interrogative form

Simple form	V-ing form
can I end? can you end? can he end? can we end? can you end? can they end?	can I be ending? can you be ending? can he be ending? can we be ending? can you be ending? can they be ending?
Perfect	V-ing perfect
can I have ended? can you have ended? can he have ended? can we have ended? can you have ended? can they have ended?	can I have been ending? can you have been ending? can he have been ending? can we have been ending? can you have been ending? can they have been ending?

Interro-negative form

Simple form	V-ing form
can't I end? can't you end? can't he end? can't we end? can't you end? can't they end?	can't I be ending? can't you be ending? can't he be ending? can't we be ending? can't you be ending? can't they be ending?
Perfect	V-ing perfect
can't I have ended? can't you have ended? can't he have ended? can't we have ended? can't you have ended? can't they have ended?	can't I have been ending? can't you have been ending? can't he have been ending? can't we have been ending? can't you have been ending? can't they have been ending?