must enchase
Regular verb: enchase - enchased- enchased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enchase
you must enchase
he must enchase
we must enchase
you must enchase
they must enchase 	I must be enchasing
you must be enchasing
he must be enchasing
we must be enchasing
you must be enchasing
they must be enchasing	I must have enchased
you must have enchased
he must have enchased
we must have enchased
you must have enchased
they must have enchased	I must have been enchasing
you must have been enchasing
he must have been enchasing
we must have been enchasing
you must have been enchasing
they must have been enchasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't enchase
you mustn't enchase
he mustn't enchase
we mustn't enchase
you mustn't enchase
they mustn't enchase 	I mustn't be enchasing
you mustn't be enchasing
he mustn't be enchasing
we mustn't be enchasing
you mustn't be enchasing
they mustn't be enchasing	I mustn't have enchased
you mustn't have enchased
he mustn't have enchased
we mustn't have enchased
you mustn't have enchased
they mustn't have enchased	I mustn't have been enchasing
you mustn't have been enchasing
he mustn't have been enchasing
we mustn't have been enchasing
you mustn't have been enchasing
they mustn't have been enchasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enchase?
must you enchase?
must he enchase?
must we enchase?
must you enchase?
must they enchase? 	must I be enchasing?
must you be enchasing?
must he be enchasing?
must we be enchasing?
must you be enchasing?
must they be enchasing? 	must I have enchased?
must you have enchased?
must he have enchased?
must we have enchased?
must you have enchased?
must they have enchased? 	must I have been enchasing?
must you have been enchasing?
must he have been enchasing?
must we have been enchasing?
must you have been enchasing?
must they have been enchasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I enchase?
mustn't you enchase?
mustn't he enchase?
mustn't we enchase?
mustn't you enchase?
mustn't they enchase? 	mustn't I be enchasing?
mustn't you be enchasing?
mustn't he be enchasing?
mustn't we be enchasing?
mustn't you be enchasing?
mustn't they be enchasing? 	mustn't I have enchased?
mustn't you have enchased?
mustn't he have enchased?
mustn't we have enchased?
mustn't you have enchased?
mustn't they have enchased? 	mustn't I have been enchasing?
mustn't you have been enchasing?
mustn't he have been enchasing?
mustn't we have been enchasing?
mustn't you have been enchasing?
mustn't they have been enchasing?