must rebuild
Verbo irregular: rebuild - rebuilt- rebuilt

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must rebuild
you must rebuild
he must rebuild
we must rebuild
you must rebuild
they must rebuild 	I must be rebuilding
you must be rebuilding
he must be rebuilding
we must be rebuilding
you must be rebuilding
they must be rebuilding	I must have rebuilt
you must have rebuilt
he must have rebuilt
we must have rebuilt
you must have rebuilt
they must have rebuilt	I must have been rebuilding
you must have been rebuilding
he must have been rebuilding
we must have been rebuilding
you must have been rebuilding
they must have been rebuilding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not rebuild
you must not rebuild
he must not rebuild
we must not rebuild
you must not rebuild
they must not rebuild 	I must not be rebuilding
you must not be rebuilding
he must not be rebuilding
we must not be rebuilding
you must not be rebuilding
they must not be rebuilding	I must not have rebuilt
you must not have rebuilt
he must not have rebuilt
we must not have rebuilt
you must not have rebuilt
they must not have rebuilt	I must not have been rebuilding
you must not have been rebuilding
he must not have been rebuilding
we must not have been rebuilding
you must not have been rebuilding
they must not have been rebuilding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I rebuild?
must you rebuild?
must he rebuild?
must we rebuild?
must you rebuild?
must they rebuild? 	must I be rebuilding?
must you be rebuilding?
must he be rebuilding?
must we be rebuilding?
must you be rebuilding?
must they be rebuilding? 	must I have rebuilt?
must you have rebuilt?
must he have rebuilt?
must we have rebuilt?
must you have rebuilt?
must they have rebuilt? 	must I have been rebuilding?
must you have been rebuilding?
must he have been rebuilding?
must we have been rebuilding?
must you have been rebuilding?
must they have been rebuilding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not rebuild?
must you not rebuild?
must he not rebuild?
must we not rebuild?
must you not rebuild?
must they not rebuild? 	must I not be rebuilding?
must you not be rebuilding?
must he not be rebuilding?
must we not be rebuilding?
must you not be rebuilding?
must they not be rebuilding? 	must I not have rebuilt?
must you not have rebuilt?
must he not have rebuilt?
must we not have rebuilt?
must you not have rebuilt?
must they not have rebuilt? 	must I not have been rebuilding?
must you not have been rebuilding?
must he not have been rebuilding?
must we not have been rebuilding?
must you not have been rebuilding?
must they not have been rebuilding?