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 can't be you can't be he can't be we can't be you can't be they can't be	I can't be being you can't be being he can't be being we can't be being you can't be being they can't be being
Perfect	V-ing perfect
I can't have been you can't have been he can't have been we can't have been you can't have been they can't have been	I can't have been being you can't have been being he can't have been being we can't have been being you can't have been being they can't 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't I be? can't you be? can't he be? can't we be? can't you be? can't they be?	can't I be being? can't you be being? can't he be being? can't we be being? can't you be being? can't they be being?
Perfect	V-ing perfect
can't I have been? can't you have been? can't he have been? can't we have been? can't you have been? can't they have been?	can't I have been being? can't you have been being? can't he have been being? can't we have been being? can't you have been being? can't they have been being?