English verb conjugation
CAN DOG

Regular verb: dog - dogged - dogged

Affirmation

Simple form	V-ing form
I can dog you can dog he can dog we can dog you can dog they can dog	I can be dogging you can be dogging he can be dogging we can be dogging you can be dogging they can be dogging
Perfect	V-ing perfect
I can have dogged you can have dogged he can have dogged we can have dogged you can have dogged they can have dogged	I can have been dogging you can have been dogging he can have been dogging we can have been dogging you can have been dogging they can have been dogging

Negation

Simple form	V-ing form
I can't dog you can't dog he can't dog we can't dog you can't dog they can't dog	I can't be dogging you can't be dogging he can't be dogging we can't be dogging you can't be dogging they can't be dogging
Perfect	V-ing perfect
I can't have dogged you can't have dogged he can't have dogged we can't have dogged you can't have dogged they can't have dogged	I can't have been dogging you can't have been dogging he can't have been dogging we can't have been dogging you can't have been dogging they can't have been dogging

Interrogative form

Simple form	V-ing form
can I dog? can you dog? can he dog? can we dog? can you dog? can they dog?	can I be dogging? can you be dogging? can he be dogging? can we be dogging? can you be dogging? can they be dogging?
Perfect	V-ing perfect
can I have dogged? can you have dogged? can he have dogged? can we have dogged? can you have dogged? can they have dogged?	can I have been dogging? can you have been dogging? can he have been dogging? can we have been dogging? can you have been dogging? can they have been dogging?

Interro-negative form

Simple form	V-ing form
can't I dog? can't you dog? can't he dog? can't we dog? can't you dog? can't they dog?	can't I be dogging? can't you be dogging? can't he be dogging? can't we be dogging? can't you be dogging? can't they be dogging?
Perfect	V-ing perfect
can't I have dogged? can't you have dogged? can't he have dogged? can't we have dogged? can't you have dogged? can't they have dogged?	can't I have been dogging? can't you have been dogging? can't he have been dogging? can't we have been dogging? can't you have been dogging? can't they have been dogging?