English verb conjugation
CAN PHONE

Regular verb: phone - phoned - phoned

Affirmation

Simple form	V-ing form
I can phone you can phone he can phone we can phone you can phone they can phone	I can be phoning you can be phoning he can be phoning we can be phoning you can be phoning they can be phoning
Perfect	V-ing perfect
I can have phoned you can have phoned he can have phoned we can have phoned you can have phoned they can have phoned	I can have been phoning you can have been phoning he can have been phoning we can have been phoning you can have been phoning they can have been phoning

Negation

Simple form	V-ing form
I can't phone you can't phone he can't phone we can't phone you can't phone they can't phone	I can't be phoning you can't be phoning he can't be phoning we can't be phoning you can't be phoning they can't be phoning
Perfect	V-ing perfect
I can't have phoned you can't have phoned he can't have phoned we can't have phoned you can't have phoned they can't have phoned	I can't have been phoning you can't have been phoning he can't have been phoning we can't have been phoning you can't have been phoning they can't have been phoning

Interrogative form

Simple form	V-ing form
can I phone? can you phone? can he phone? can we phone? can you phone? can they phone?	can I be phoning? can you be phoning? can he be phoning? can we be phoning? can you be phoning? can they be phoning?
Perfect	V-ing perfect
can I have phoned? can you have phoned? can he have phoned? can we have phoned? can you have phoned? can they have phoned?	can I have been phoning? can you have been phoning? can he have been phoning? can we have been phoning? can you have been phoning? can they have been phoning?

Interro-negative form

Simple form	V-ing form
can't I phone? can't you phone? can't he phone? can't we phone? can't you phone? can't they phone?	can't I be phoning? can't you be phoning? can't he be phoning? can't we be phoning? can't you be phoning? can't they be phoning?
Perfect	V-ing perfect
can't I have phoned? can't you have phoned? can't he have phoned? can't we have phoned? can't you have phoned? can't they have phoned?	can't I have been phoning? can't you have been phoning? can't he have been phoning? can't we have been phoning? can't you have been phoning? can't they have been phoning?