I can congest you can congest he can congest we can congest you can congest they can congest
Forma con 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
Perfecto
I can have congested you can have congested he can have congested we can have congested you can have congested they can have congested
Perfecto con 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
Negación
Forma simple
I can't congest you can't congest he can't congest we can't congest you can't congest they can't congest
Forma con V-ing
I can't be congesting you can't be congesting he can't be congesting we can't be congesting you can't be congesting they can't be congesting
Perfecto
I can't have congested you can't have congested he can't have congested we can't have congested you can't have congested they can't have congested
Perfecto con V-ing
I can't have been congesting you can't have been congesting he can't have been congesting we can't have been congesting you can't have been congesting they can't have been congesting
Forma interrogativa
Forma simple
can I congest? can you congest? can he congest? can we congest? can you congest? can they congest?
Forma con 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?
Perfecto
can I have congested? can you have congested? can he have congested? can we have congested? can you have congested? can they have congested?
Perfecto con 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?
Forma interro-negativa
Forma simple
can't I congest? can't you congest? can't he congest? can't we congest? can't you congest? can't they congest?
Forma con V-ing
can't I be congesting? can't you be congesting? can't he be congesting? can't we be congesting? can't you be congesting? can't they be congesting?
Perfecto
can't I have congested? can't you have congested? can't he have congested? can't we have congested? can't you have congested? can't they have congested?
Perfecto con V-ing
can't I have been congesting? can't you have been congesting? can't he have been congesting? can't we have been congesting? can't you have been congesting? can't they have been congesting?