English verb conjugation
CAN INFORM

Regular verb: inform - informed - informed

Affirmation

Simple form	V-ing form
I can inform you can inform she can inform we can inform you can inform they can inform	I can be informing you can be informing she can be informing we can be informing you can be informing they can be informing
Perfect	V-ing perfect
I can have informed you can have informed she can have informed we can have informed you can have informed they can have informed	I can have been informing you can have been informing she can have been informing we can have been informing you can have been informing they can have been informing

Negation

Simple form	V-ing form
I can't inform you can't inform she can't inform we can't inform you can't inform they can't inform	I can't be informing you can't be informing she can't be informing we can't be informing you can't be informing they can't be informing
Perfect	V-ing perfect
I can't have informed you can't have informed she can't have informed we can't have informed you can't have informed they can't have informed	I can't have been informing you can't have been informing she can't have been informing we can't have been informing you can't have been informing they can't have been informing

Interrogative form

Simple form	V-ing form
can I inform? can you inform? can she inform? can we inform? can you inform? can they inform?	can I be informing? can you be informing? can she be informing? can we be informing? can you be informing? can they be informing?
Perfect	V-ing perfect
can I have informed? can you have informed? can she have informed? can we have informed? can you have informed? can they have informed?	can I have been informing? can you have been informing? can she have been informing? can we have been informing? can you have been informing? can they have been informing?

Interro-negative form

Simple form	V-ing form
can't I inform? can't you inform? can't she inform? can't we inform? can't you inform? can't they inform?	can't I be informing? can't you be informing? can't she be informing? can't we be informing? can't you be informing? can't they be informing?
Perfect	V-ing perfect
can't I have informed? can't you have informed? can't she have informed? can't we have informed? can't you have informed? can't they have informed?	can't I have been informing? can't you have been informing? can't she have been informing? can't we have been informing? can't you have been informing? can't they have been informing?