must regrow
Verbo irregular: regrow - regrew- regrown

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must regrow
you must regrow
he must regrow
we must regrow
you must regrow
they must regrow 	I must be regrowing
you must be regrowing
he must be regrowing
we must be regrowing
you must be regrowing
they must be regrowing	I must have regrown
you must have regrown
he must have regrown
we must have regrown
you must have regrown
they must have regrown	I must have been regrowing
you must have been regrowing
he must have been regrowing
we must have been regrowing
you must have been regrowing
they must have been regrowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't regrow
you mustn't regrow
he mustn't regrow
we mustn't regrow
you mustn't regrow
they mustn't regrow 	I mustn't be regrowing
you mustn't be regrowing
he mustn't be regrowing
we mustn't be regrowing
you mustn't be regrowing
they mustn't be regrowing	I mustn't have regrown
you mustn't have regrown
he mustn't have regrown
we mustn't have regrown
you mustn't have regrown
they mustn't have regrown	I mustn't have been regrowing
you mustn't have been regrowing
he mustn't have been regrowing
we mustn't have been regrowing
you mustn't have been regrowing
they mustn't have been regrowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I regrow?
must you regrow?
must he regrow?
must we regrow?
must you regrow?
must they regrow? 	must I be regrowing?
must you be regrowing?
must he be regrowing?
must we be regrowing?
must you be regrowing?
must they be regrowing? 	must I have regrown?
must you have regrown?
must he have regrown?
must we have regrown?
must you have regrown?
must they have regrown? 	must I have been regrowing?
must you have been regrowing?
must he have been regrowing?
must we have been regrowing?
must you have been regrowing?
must they have been regrowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I regrow?
mustn't you regrow?
mustn't he regrow?
mustn't we regrow?
mustn't you regrow?
mustn't they regrow? 	mustn't I be regrowing?
mustn't you be regrowing?
mustn't he be regrowing?
mustn't we be regrowing?
mustn't you be regrowing?
mustn't they be regrowing? 	mustn't I have regrown?
mustn't you have regrown?
mustn't he have regrown?
mustn't we have regrown?
mustn't you have regrown?
mustn't they have regrown? 	mustn't I have been regrowing?
mustn't you have been regrowing?
mustn't he have been regrowing?
mustn't we have been regrowing?
mustn't you have been regrowing?
mustn't they have been regrowing?