English verb conjugation
CAN CONE

Regular verb: cone - coned - coned

Affirmation

Simple form	V-ing form
I can cone you can cone he can cone we can cone you can cone they can cone	I can be coning you can be coning he can be coning we can be coning you can be coning they can be coning
Perfect	V-ing perfect
I can have coned you can have coned he can have coned we can have coned you can have coned they can have coned	I can have been coning you can have been coning he can have been coning we can have been coning you can have been coning they can have been coning

Negation

Simple form	V-ing form
I cannot cone you cannot cone he cannot cone we cannot cone you cannot cone they cannot cone	I cannot be coning you cannot be coning he cannot be coning we cannot be coning you cannot be coning they cannot be coning
Perfect	V-ing perfect
I cannot have coned you cannot have coned he cannot have coned we cannot have coned you cannot have coned they cannot have coned	I cannot have been coning you cannot have been coning he cannot have been coning we cannot have been coning you cannot have been coning they cannot have been coning

Interrogative form

Simple form	V-ing form
can I cone? can you cone? can he cone? can we cone? can you cone? can they cone?	can I be coning? can you be coning? can he be coning? can we be coning? can you be coning? can they be coning?
Perfect	V-ing perfect
can I have coned? can you have coned? can he have coned? can we have coned? can you have coned? can they have coned?	can I have been coning? can you have been coning? can he have been coning? can we have been coning? can you have been coning? can they have been coning?

Interro-negative form

Simple form	V-ing form
can I not cone? can you not cone? can he not cone? can we not cone? can you not cone? can they not cone?	can I not be coning? can you not be coning? can he not be coning? can we not be coning? can you not be coning? can they not be coning?
Perfect	V-ing perfect
can I not have coned? can you not have coned? can he not have coned? can we not have coned? can you not have coned? can they not have coned?	can I not have been coning? can you not have been coning? can he not have been coning? can we not have been coning? can you not have been coning? can they not have been coning?