I can congest you can congest he can congest we can congest you can congest they can congest
Forme en V-ing
I can be congesting you can be congesting he can be congesting we can be congesting you can be congesting they can be congesting
Perfect
I can have congested you can have congested he can have congested we can have congested you can have congested they can have congested
Perfect en V-ing
I can have been congesting you can have been congesting he can have been congesting we can have been congesting you can have been congesting they can have been congesting
Négation
Forme simple
I cannot congest you cannot congest he cannot congest we cannot congest you cannot congest they cannot congest
Forme en V-ing
I cannot be congesting you cannot be congesting he cannot be congesting we cannot be congesting you cannot be congesting they cannot be congesting
Perfect
I cannot have congested you cannot have congested he cannot have congested we cannot have congested you cannot have congested they cannot have congested
Perfect en V-ing
I cannot have been congesting you cannot have been congesting he cannot have been congesting we cannot have been congesting you cannot have been congesting they cannot have been congesting
Forme interrogative
Forme simple
can I congest? can you congest? can he congest? can we congest? can you congest? can they congest?
Forme en V-ing
can I be congesting? can you be congesting? can he be congesting? can we be congesting? can you be congesting? can they be congesting?
Perfect
can I have congested? can you have congested? can he have congested? can we have congested? can you have congested? can they have congested?
Perfect en V-ing
can I have been congesting? can you have been congesting? can he have been congesting? can we have been congesting? can you have been congesting? can they have been congesting?
Forme interro-négative
Forme simple
can I not congest? can you not congest? can he not congest? can we not congest? can you not congest? can they not congest?
Forme en V-ing
can I not be congesting? can you not be congesting? can he not be congesting? can we not be congesting? can you not be congesting? can they not be congesting?
Perfect
can I not have congested? can you not have congested? can he not have congested? can we not have congested? can you not have congested? can they not have congested?
Perfect en V-ing
can I not have been congesting? can you not have been congesting? can he not have been congesting? can we not have been congesting? can you not have been congesting? can they not have been congesting?