English verb conjugation
CAN EMPOISON

Regular verb: empoison - empoisoned - empoisoned

Affirmation

Simple form	V-ing form
I can empoison you can empoison he can empoison we can empoison you can empoison they can empoison	I can be empoisoning you can be empoisoning he can be empoisoning we can be empoisoning you can be empoisoning they can be empoisoning
Perfect	V-ing perfect
I can have empoisoned you can have empoisoned he can have empoisoned we can have empoisoned you can have empoisoned they can have empoisoned	I can have been empoisoning you can have been empoisoning he can have been empoisoning we can have been empoisoning you can have been empoisoning they can have been empoisoning

Negation

Simple form	V-ing form
I can't empoison you can't empoison he can't empoison we can't empoison you can't empoison they can't empoison	I can't be empoisoning you can't be empoisoning he can't be empoisoning we can't be empoisoning you can't be empoisoning they can't be empoisoning
Perfect	V-ing perfect
I can't have empoisoned you can't have empoisoned he can't have empoisoned we can't have empoisoned you can't have empoisoned they can't have empoisoned	I can't have been empoisoning you can't have been empoisoning he can't have been empoisoning we can't have been empoisoning you can't have been empoisoning they can't have been empoisoning

Interrogative form

Simple form	V-ing form
can I empoison? can you empoison? can he empoison? can we empoison? can you empoison? can they empoison?	can I be empoisoning? can you be empoisoning? can he be empoisoning? can we be empoisoning? can you be empoisoning? can they be empoisoning?
Perfect	V-ing perfect
can I have empoisoned? can you have empoisoned? can he have empoisoned? can we have empoisoned? can you have empoisoned? can they have empoisoned?	can I have been empoisoning? can you have been empoisoning? can he have been empoisoning? can we have been empoisoning? can you have been empoisoning? can they have been empoisoning?

Interro-negative form

Simple form	V-ing form
can't I empoison? can't you empoison? can't he empoison? can't we empoison? can't you empoison? can't they empoison?	can't I be empoisoning? can't you be empoisoning? can't he be empoisoning? can't we be empoisoning? can't you be empoisoning? can't they be empoisoning?
Perfect	V-ing perfect
can't I have empoisoned? can't you have empoisoned? can't he have empoisoned? can't we have empoisoned? can't you have empoisoned? can't they have empoisoned?	can't I have been empoisoning? can't you have been empoisoning? can't he have been empoisoning? can't we have been empoisoning? can't you have been empoisoning? can't they have been empoisoning?