must unbottle
Verbo regular: unbottle - unbottled- unbottled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unbottle
you must unbottle
he must unbottle
we must unbottle
you must unbottle
they must unbottle 	I must be unbottling
you must be unbottling
he must be unbottling
we must be unbottling
you must be unbottling
they must be unbottling	I must have unbottled
you must have unbottled
he must have unbottled
we must have unbottled
you must have unbottled
they must have unbottled	I must have been unbottling
you must have been unbottling
he must have been unbottling
we must have been unbottling
you must have been unbottling
they must have been unbottling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not unbottle
you must not unbottle
he must not unbottle
we must not unbottle
you must not unbottle
they must not unbottle 	I must not be unbottling
you must not be unbottling
he must not be unbottling
we must not be unbottling
you must not be unbottling
they must not be unbottling	I must not have unbottled
you must not have unbottled
he must not have unbottled
we must not have unbottled
you must not have unbottled
they must not have unbottled	I must not have been unbottling
you must not have been unbottling
he must not have been unbottling
we must not have been unbottling
you must not have been unbottling
they must not have been unbottling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unbottle?
must you unbottle?
must he unbottle?
must we unbottle?
must you unbottle?
must they unbottle? 	must I be unbottling?
must you be unbottling?
must he be unbottling?
must we be unbottling?
must you be unbottling?
must they be unbottling? 	must I have unbottled?
must you have unbottled?
must he have unbottled?
must we have unbottled?
must you have unbottled?
must they have unbottled? 	must I have been unbottling?
must you have been unbottling?
must he have been unbottling?
must we have been unbottling?
must you have been unbottling?
must they have been unbottling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not unbottle?
must you not unbottle?
must he not unbottle?
must we not unbottle?
must you not unbottle?
must they not unbottle? 	must I not be unbottling?
must you not be unbottling?
must he not be unbottling?
must we not be unbottling?
must you not be unbottling?
must they not be unbottling? 	must I not have unbottled?
must you not have unbottled?
must he not have unbottled?
must we not have unbottled?
must you not have unbottled?
must they not have unbottled? 	must I not have been unbottling?
must you not have been unbottling?
must he not have been unbottling?
must we not have been unbottling?
must you not have been unbottling?
must they not have been unbottling?