must decarbonate
Verbo regular: decarbonate - decarbonated- decarbonated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must decarbonate
you must decarbonate
he must decarbonate
we must decarbonate
you must decarbonate
they must decarbonate 	I must be decarbonating
you must be decarbonating
he must be decarbonating
we must be decarbonating
you must be decarbonating
they must be decarbonating	I must have decarbonated
you must have decarbonated
he must have decarbonated
we must have decarbonated
you must have decarbonated
they must have decarbonated	I must have been decarbonating
you must have been decarbonating
he must have been decarbonating
we must have been decarbonating
you must have been decarbonating
they must have been decarbonating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't decarbonate
you mustn't decarbonate
he mustn't decarbonate
we mustn't decarbonate
you mustn't decarbonate
they mustn't decarbonate 	I mustn't be decarbonating
you mustn't be decarbonating
he mustn't be decarbonating
we mustn't be decarbonating
you mustn't be decarbonating
they mustn't be decarbonating	I mustn't have decarbonated
you mustn't have decarbonated
he mustn't have decarbonated
we mustn't have decarbonated
you mustn't have decarbonated
they mustn't have decarbonated	I mustn't have been decarbonating
you mustn't have been decarbonating
he mustn't have been decarbonating
we mustn't have been decarbonating
you mustn't have been decarbonating
they mustn't have been decarbonating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I decarbonate?
must you decarbonate?
must he decarbonate?
must we decarbonate?
must you decarbonate?
must they decarbonate? 	must I be decarbonating?
must you be decarbonating?
must he be decarbonating?
must we be decarbonating?
must you be decarbonating?
must they be decarbonating? 	must I have decarbonated?
must you have decarbonated?
must he have decarbonated?
must we have decarbonated?
must you have decarbonated?
must they have decarbonated? 	must I have been decarbonating?
must you have been decarbonating?
must he have been decarbonating?
must we have been decarbonating?
must you have been decarbonating?
must they have been decarbonating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I decarbonate?
mustn't you decarbonate?
mustn't he decarbonate?
mustn't we decarbonate?
mustn't you decarbonate?
mustn't they decarbonate? 	mustn't I be decarbonating?
mustn't you be decarbonating?
mustn't he be decarbonating?
mustn't we be decarbonating?
mustn't you be decarbonating?
mustn't they be decarbonating? 	mustn't I have decarbonated?
mustn't you have decarbonated?
mustn't he have decarbonated?
mustn't we have decarbonated?
mustn't you have decarbonated?
mustn't they have decarbonated? 	mustn't I have been decarbonating?
mustn't you have been decarbonating?
mustn't he have been decarbonating?
mustn't we have been decarbonating?
mustn't you have been decarbonating?
mustn't they have been decarbonating?