must prognosticate
Verbo regular: prognosticate - prognosticated- prognosticated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prognosticate
you must prognosticate
he must prognosticate
we must prognosticate
you must prognosticate
they must prognosticate 	I must be prognosticating
you must be prognosticating
he must be prognosticating
we must be prognosticating
you must be prognosticating
they must be prognosticating	I must have prognosticated
you must have prognosticated
he must have prognosticated
we must have prognosticated
you must have prognosticated
they must have prognosticated	I must have been prognosticating
you must have been prognosticating
he must have been prognosticating
we must have been prognosticating
you must have been prognosticating
they must have been prognosticating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't prognosticate
you mustn't prognosticate
he mustn't prognosticate
we mustn't prognosticate
you mustn't prognosticate
they mustn't prognosticate 	I mustn't be prognosticating
you mustn't be prognosticating
he mustn't be prognosticating
we mustn't be prognosticating
you mustn't be prognosticating
they mustn't be prognosticating	I mustn't have prognosticated
you mustn't have prognosticated
he mustn't have prognosticated
we mustn't have prognosticated
you mustn't have prognosticated
they mustn't have prognosticated	I mustn't have been prognosticating
you mustn't have been prognosticating
he mustn't have been prognosticating
we mustn't have been prognosticating
you mustn't have been prognosticating
they mustn't have been prognosticating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prognosticate?
must you prognosticate?
must he prognosticate?
must we prognosticate?
must you prognosticate?
must they prognosticate? 	must I be prognosticating?
must you be prognosticating?
must he be prognosticating?
must we be prognosticating?
must you be prognosticating?
must they be prognosticating? 	must I have prognosticated?
must you have prognosticated?
must he have prognosticated?
must we have prognosticated?
must you have prognosticated?
must they have prognosticated? 	must I have been prognosticating?
must you have been prognosticating?
must he have been prognosticating?
must we have been prognosticating?
must you have been prognosticating?
must they have been prognosticating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I prognosticate?
mustn't you prognosticate?
mustn't he prognosticate?
mustn't we prognosticate?
mustn't you prognosticate?
mustn't they prognosticate? 	mustn't I be prognosticating?
mustn't you be prognosticating?
mustn't he be prognosticating?
mustn't we be prognosticating?
mustn't you be prognosticating?
mustn't they be prognosticating? 	mustn't I have prognosticated?
mustn't you have prognosticated?
mustn't he have prognosticated?
mustn't we have prognosticated?
mustn't you have prognosticated?
mustn't they have prognosticated? 	mustn't I have been prognosticating?
mustn't you have been prognosticating?
mustn't he have been prognosticating?
mustn't we have been prognosticating?
mustn't you have been prognosticating?
mustn't they have been prognosticating?