English verb conjugation
CAN FOG

Regular verb: fog - fogged - fogged

Affirmation

Simple form	V-ing form
I can fog you can fog he can fog we can fog you can fog they can fog	I can be fogging you can be fogging he can be fogging we can be fogging you can be fogging they can be fogging
Perfect	V-ing perfect
I can have fogged you can have fogged he can have fogged we can have fogged you can have fogged they can have fogged	I can have been fogging you can have been fogging he can have been fogging we can have been fogging you can have been fogging they can have been fogging

Negation

Simple form	V-ing form
I can't fog you can't fog he can't fog we can't fog you can't fog they can't fog	I can't be fogging you can't be fogging he can't be fogging we can't be fogging you can't be fogging they can't be fogging
Perfect	V-ing perfect
I can't have fogged you can't have fogged he can't have fogged we can't have fogged you can't have fogged they can't have fogged	I can't have been fogging you can't have been fogging he can't have been fogging we can't have been fogging you can't have been fogging they can't have been fogging

Interrogative form

Simple form	V-ing form
can I fog? can you fog? can he fog? can we fog? can you fog? can they fog?	can I be fogging? can you be fogging? can he be fogging? can we be fogging? can you be fogging? can they be fogging?
Perfect	V-ing perfect
can I have fogged? can you have fogged? can he have fogged? can we have fogged? can you have fogged? can they have fogged?	can I have been fogging? can you have been fogging? can he have been fogging? can we have been fogging? can you have been fogging? can they have been fogging?

Interro-negative form

Simple form	V-ing form
can't I fog? can't you fog? can't he fog? can't we fog? can't you fog? can't they fog?	can't I be fogging? can't you be fogging? can't he be fogging? can't we be fogging? can't you be fogging? can't they be fogging?
Perfect	V-ing perfect
can't I have fogged? can't you have fogged? can't he have fogged? can't we have fogged? can't you have fogged? can't they have fogged?	can't I have been fogging? can't you have been fogging? can't he have been fogging? can't we have been fogging? can't you have been fogging? can't they have been fogging?