must pray
Verbo regular: pray - prayed- prayed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pray
you must pray
he must pray
we must pray
you must pray
they must pray 	I must be praying
you must be praying
he must be praying
we must be praying
you must be praying
they must be praying	I must have prayed
you must have prayed
he must have prayed
we must have prayed
you must have prayed
they must have prayed	I must have been praying
you must have been praying
he must have been praying
we must have been praying
you must have been praying
they must have been praying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't pray
you mustn't pray
he mustn't pray
we mustn't pray
you mustn't pray
they mustn't pray 	I mustn't be praying
you mustn't be praying
he mustn't be praying
we mustn't be praying
you mustn't be praying
they mustn't be praying	I mustn't have prayed
you mustn't have prayed
he mustn't have prayed
we mustn't have prayed
you mustn't have prayed
they mustn't have prayed	I mustn't have been praying
you mustn't have been praying
he mustn't have been praying
we mustn't have been praying
you mustn't have been praying
they mustn't have been praying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pray?
must you pray?
must he pray?
must we pray?
must you pray?
must they pray? 	must I be praying?
must you be praying?
must he be praying?
must we be praying?
must you be praying?
must they be praying? 	must I have prayed?
must you have prayed?
must he have prayed?
must we have prayed?
must you have prayed?
must they have prayed? 	must I have been praying?
must you have been praying?
must he have been praying?
must we have been praying?
must you have been praying?
must they have been praying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I pray?
mustn't you pray?
mustn't he pray?
mustn't we pray?
mustn't you pray?
mustn't they pray? 	mustn't I be praying?
mustn't you be praying?
mustn't he be praying?
mustn't we be praying?
mustn't you be praying?
mustn't they be praying? 	mustn't I have prayed?
mustn't you have prayed?
mustn't he have prayed?
mustn't we have prayed?
mustn't you have prayed?
mustn't they have prayed? 	mustn't I have been praying?
mustn't you have been praying?
mustn't he have been praying?
mustn't we have been praying?
mustn't you have been praying?
mustn't they have been praying?