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 cannot subpoena you cannot subpoena he cannot subpoena we cannot subpoena you cannot subpoena they cannot subpoena	I cannot be subpoenaing you cannot be subpoenaing he cannot be subpoenaing we cannot be subpoenaing you cannot be subpoenaing they cannot be subpoenaing
Perfect	V-ing perfect
I cannot have subpoenaed you cannot have subpoenaed he cannot have subpoenaed we cannot have subpoenaed you cannot have subpoenaed they cannot have subpoenaed	I cannot have been subpoenaing you cannot have been subpoenaing he cannot have been subpoenaing we cannot have been subpoenaing you cannot have been subpoenaing they cannot 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 I not subpoena? can you not subpoena? can he not subpoena? can we not subpoena? can you not subpoena? can they not subpoena?	can I not be subpoenaing? can you not be subpoenaing? can he not be subpoenaing? can we not be subpoenaing? can you not be subpoenaing? can they not be subpoenaing?
Perfect	V-ing perfect
can I not have subpoenaed? can you not have subpoenaed? can he not have subpoenaed? can we not have subpoenaed? can you not have subpoenaed? can they not have subpoenaed?	can I not have been subpoenaing? can you not have been subpoenaing? can he not have been subpoenaing? can we not have been subpoenaing? can you not have been subpoenaing? can they not have been subpoenaing?