English verb conjugation
CAN ERUPT

Regular verb: erupt - erupted - erupted

Affirmation

Simple form	V-ing form
I can erupt you can erupt he can erupt we can erupt you can erupt they can erupt	I can be erupting you can be erupting he can be erupting we can be erupting you can be erupting they can be erupting
Perfect	V-ing perfect
I can have erupted you can have erupted he can have erupted we can have erupted you can have erupted they can have erupted	I can have been erupting you can have been erupting he can have been erupting we can have been erupting you can have been erupting they can have been erupting

Negation

Simple form	V-ing form
I can't erupt you can't erupt he can't erupt we can't erupt you can't erupt they can't erupt	I can't be erupting you can't be erupting he can't be erupting we can't be erupting you can't be erupting they can't be erupting
Perfect	V-ing perfect
I can't have erupted you can't have erupted he can't have erupted we can't have erupted you can't have erupted they can't have erupted	I can't have been erupting you can't have been erupting he can't have been erupting we can't have been erupting you can't have been erupting they can't have been erupting

Interrogative form

Simple form	V-ing form
can I erupt? can you erupt? can he erupt? can we erupt? can you erupt? can they erupt?	can I be erupting? can you be erupting? can he be erupting? can we be erupting? can you be erupting? can they be erupting?
Perfect	V-ing perfect
can I have erupted? can you have erupted? can he have erupted? can we have erupted? can you have erupted? can they have erupted?	can I have been erupting? can you have been erupting? can he have been erupting? can we have been erupting? can you have been erupting? can they have been erupting?

Interro-negative form

Simple form	V-ing form
can't I erupt? can't you erupt? can't he erupt? can't we erupt? can't you erupt? can't they erupt?	can't I be erupting? can't you be erupting? can't he be erupting? can't we be erupting? can't you be erupting? can't they be erupting?
Perfect	V-ing perfect
can't I have erupted? can't you have erupted? can't he have erupted? can't we have erupted? can't you have erupted? can't they have erupted?	can't I have been erupting? can't you have been erupting? can't he have been erupting? can't we have been erupting? can't you have been erupting? can't they have been erupting?