English verb conjugation
CAN PORT

Regular verb: port - ported - ported

Affirmation

Simple form	V-ing form
I can port you can port he can port we can port you can port they can port	I can be porting you can be porting he can be porting we can be porting you can be porting they can be porting
Perfect	V-ing perfect
I can have ported you can have ported he can have ported we can have ported you can have ported they can have ported	I can have been porting you can have been porting he can have been porting we can have been porting you can have been porting they can have been porting

Negation

Simple form	V-ing form
I cannot port you cannot port he cannot port we cannot port you cannot port they cannot port	I cannot be porting you cannot be porting he cannot be porting we cannot be porting you cannot be porting they cannot be porting
Perfect	V-ing perfect
I cannot have ported you cannot have ported he cannot have ported we cannot have ported you cannot have ported they cannot have ported	I cannot have been porting you cannot have been porting he cannot have been porting we cannot have been porting you cannot have been porting they cannot have been porting

Interrogative form

Simple form	V-ing form
can I port? can you port? can he port? can we port? can you port? can they port?	can I be porting? can you be porting? can he be porting? can we be porting? can you be porting? can they be porting?
Perfect	V-ing perfect
can I have ported? can you have ported? can he have ported? can we have ported? can you have ported? can they have ported?	can I have been porting? can you have been porting? can he have been porting? can we have been porting? can you have been porting? can they have been porting?

Interro-negative form

Simple form	V-ing form
can I not port? can you not port? can he not port? can we not port? can you not port? can they not port?	can I not be porting? can you not be porting? can he not be porting? can we not be porting? can you not be porting? can they not be porting?
Perfect	V-ing perfect
can I not have ported? can you not have ported? can he not have ported? can we not have ported? can you not have ported? can they not have ported?	can I not have been porting? can you not have been porting? can he not have been porting? can we not have been porting? can you not have been porting? can they not have been porting?