English verb conjugation
CAN SUBPOENA

Regular verb: subpoena - subpoenaed - subpoenaed

Affirmation

Simple form	V-ing form
I can subpoena you can subpoena he can subpoena we can subpoena you can subpoena they can subpoena	I can be subpoenaing you can be subpoenaing he can be subpoenaing we can be subpoenaing you can be subpoenaing they can be subpoenaing
Perfect	V-ing perfect
I can have subpoenaed you can have subpoenaed he can have subpoenaed we can have subpoenaed you can have subpoenaed they can have subpoenaed	I can have been subpoenaing you can have been subpoenaing he can have been subpoenaing we can have been subpoenaing you can have been subpoenaing they can have been subpoenaing

Negation

Simple form	V-ing form
I can't subpoena you can't subpoena he can't subpoena we can't subpoena you can't subpoena they can't subpoena	I can't be subpoenaing you can't be subpoenaing he can't be subpoenaing we can't be subpoenaing you can't be subpoenaing they can't be subpoenaing
Perfect	V-ing perfect
I can't have subpoenaed you can't have subpoenaed he can't have subpoenaed we can't have subpoenaed you can't have subpoenaed they can't have subpoenaed	I can't have been subpoenaing you can't have been subpoenaing he can't have been subpoenaing we can't have been subpoenaing you can't have been subpoenaing they can't have been subpoenaing

Interrogative form

Simple form	V-ing form
can I subpoena? can you subpoena? can he subpoena? can we subpoena? can you subpoena? can they subpoena?	can I be subpoenaing? can you be subpoenaing? can he be subpoenaing? can we be subpoenaing? can you be subpoenaing? can they be subpoenaing?
Perfect	V-ing perfect
can I have subpoenaed? can you have subpoenaed? can he have subpoenaed? can we have subpoenaed? can you have subpoenaed? can they have subpoenaed?	can I have been subpoenaing? can you have been subpoenaing? can he have been subpoenaing? can we have been subpoenaing? can you have been subpoenaing? can they have been subpoenaing?

Interro-negative form

Simple form	V-ing form
can't I subpoena? can't you subpoena? can't he subpoena? can't we subpoena? can't you subpoena? can't they subpoena?	can't I be subpoenaing? can't you be subpoenaing? can't he be subpoenaing? can't we be subpoenaing? can't you be subpoenaing? can't they be subpoenaing?
Perfect	V-ing perfect
can't I have subpoenaed? can't you have subpoenaed? can't he have subpoenaed? can't we have subpoenaed? can't you have subpoenaed? can't they have subpoenaed?	can't I have been subpoenaing? can't you have been subpoenaing? can't he have been subpoenaing? can't we have been subpoenaing? can't you have been subpoenaing? can't they have been subpoenaing?