English verb conjugation
CAN BE

Irregular verb: be - was/were - been

Affirmation

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

Negation

Simple form	V-ing form
I cannot be you cannot be he cannot be we cannot be you cannot be they cannot be	I cannot be being you cannot be being he cannot be being we cannot be being you cannot be being they cannot be being
Perfect	V-ing perfect
I cannot have been you cannot have been he cannot have been we cannot have been you cannot have been they cannot have been	I cannot have been being you cannot have been being he cannot have been being we cannot have been being you cannot have been being they cannot have been being

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not be? can you not be? can he not be? can we not be? can you not be? can they not be?	can I not be being? can you not be being? can he not be being? can we not be being? can you not be being? can they not be being?
Perfect	V-ing perfect
can I not have been? can you not have been? can he not have been? can we not have been? can you not have been? can they not have been?	can I not have been being? can you not have been being? can he not have been being? can we not have been being? can you not have been being? can they not have been being?