must encyst
Verbo regular: encyst - encysted- encysted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must encyst
you must encyst
he must encyst
we must encyst
you must encyst
they must encyst 	I must be encysting
you must be encysting
he must be encysting
we must be encysting
you must be encysting
they must be encysting	I must have encysted
you must have encysted
he must have encysted
we must have encysted
you must have encysted
they must have encysted	I must have been encysting
you must have been encysting
he must have been encysting
we must have been encysting
you must have been encysting
they must have been encysting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't encyst
you mustn't encyst
he mustn't encyst
we mustn't encyst
you mustn't encyst
they mustn't encyst 	I mustn't be encysting
you mustn't be encysting
he mustn't be encysting
we mustn't be encysting
you mustn't be encysting
they mustn't be encysting	I mustn't have encysted
you mustn't have encysted
he mustn't have encysted
we mustn't have encysted
you mustn't have encysted
they mustn't have encysted	I mustn't have been encysting
you mustn't have been encysting
he mustn't have been encysting
we mustn't have been encysting
you mustn't have been encysting
they mustn't have been encysting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I encyst?
must you encyst?
must he encyst?
must we encyst?
must you encyst?
must they encyst? 	must I be encysting?
must you be encysting?
must he be encysting?
must we be encysting?
must you be encysting?
must they be encysting? 	must I have encysted?
must you have encysted?
must he have encysted?
must we have encysted?
must you have encysted?
must they have encysted? 	must I have been encysting?
must you have been encysting?
must he have been encysting?
must we have been encysting?
must you have been encysting?
must they have been encysting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I encyst?
mustn't you encyst?
mustn't he encyst?
mustn't we encyst?
mustn't you encyst?
mustn't they encyst? 	mustn't I be encysting?
mustn't you be encysting?
mustn't he be encysting?
mustn't we be encysting?
mustn't you be encysting?
mustn't they be encysting? 	mustn't I have encysted?
mustn't you have encysted?
mustn't he have encysted?
mustn't we have encysted?
mustn't you have encysted?
mustn't they have encysted? 	mustn't I have been encysting?
mustn't you have been encysting?
mustn't he have been encysting?
mustn't we have been encysting?
mustn't you have been encysting?
mustn't they have been encysting?