I must retest you must retest he must retest we must retest you must retest they must retest
Forma con V-ing
I must be retesting you must be retesting he must be retesting we must be retesting you must be retesting they must be retesting
Perfecto
I must have retested you must have retested he must have retested we must have retested you must have retested they must have retested
Perfecto con V-ing
I must have been retesting you must have been retesting he must have been retesting we must have been retesting you must have been retesting they must have been retesting
Negación
Forma simple
I must not retest you must not retest he must not retest we must not retest you must not retest they must not retest
Forma con V-ing
I must not be retesting you must not be retesting he must not be retesting we must not be retesting you must not be retesting they must not be retesting
Perfecto
I must not have retested you must not have retested he must not have retested we must not have retested you must not have retested they must not have retested
Perfecto con V-ing
I must not have been retesting you must not have been retesting he must not have been retesting we must not have been retesting you must not have been retesting they must not have been retesting
Forma interrogativa
Forma simple
must I retest? must you retest? must he retest? must we retest? must you retest? must they retest?
Forma con V-ing
must I be retesting? must you be retesting? must he be retesting? must we be retesting? must you be retesting? must they be retesting?
Perfecto
must I have retested? must you have retested? must he have retested? must we have retested? must you have retested? must they have retested?
Perfecto con V-ing
must I have been retesting? must you have been retesting? must he have been retesting? must we have been retesting? must you have been retesting? must they have been retesting?
Forma interro-negativa
Forma simple
must I not retest? must you not retest? must he not retest? must we not retest? must you not retest? must they not retest?
Forma con V-ing
must I not be retesting? must you not be retesting? must he not be retesting? must we not be retesting? must you not be retesting? must they not be retesting?
Perfecto
must I not have retested? must you not have retested? must he not have retested? must we not have retested? must you not have retested? must they not have retested?
Perfecto con V-ing
must I not have been retesting? must you not have been retesting? must he not have been retesting? must we not have been retesting? must you not have been retesting? must they not have been retesting?