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