English verb conjugation
CAN INTERROGATE

Regular verb: interrogate - interrogated - interrogated

Affirmation

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

Negation

Simple form	V-ing form
I can't interrogate you can't interrogate he can't interrogate we can't interrogate you can't interrogate they can't interrogate	I can't be interrogating you can't be interrogating he can't be interrogating we can't be interrogating you can't be interrogating they can't be interrogating
Perfect	V-ing perfect
I can't have interrogated you can't have interrogated he can't have interrogated we can't have interrogated you can't have interrogated they can't have interrogated	I can't have been interrogating you can't have been interrogating he can't have been interrogating we can't have been interrogating you can't have been interrogating they can't have been interrogating

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I interrogate? can't you interrogate? can't he interrogate? can't we interrogate? can't you interrogate? can't they interrogate?	can't I be interrogating? can't you be interrogating? can't he be interrogating? can't we be interrogating? can't you be interrogating? can't they be interrogating?
Perfect	V-ing perfect
can't I have interrogated? can't you have interrogated? can't he have interrogated? can't we have interrogated? can't you have interrogated? can't they have interrogated?	can't I have been interrogating? can't you have been interrogating? can't he have been interrogating? can't we have been interrogating? can't you have been interrogating? can't they have been interrogating?