must prawn
Verbo regular: prawn - prawned- prawned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prawn
you must prawn
he must prawn
we must prawn
you must prawn
they must prawn 	I must be prawning
you must be prawning
he must be prawning
we must be prawning
you must be prawning
they must be prawning	I must have prawned
you must have prawned
he must have prawned
we must have prawned
you must have prawned
they must have prawned	I must have been prawning
you must have been prawning
he must have been prawning
we must have been prawning
you must have been prawning
they must have been prawning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not prawn
you must not prawn
he must not prawn
we must not prawn
you must not prawn
they must not prawn 	I must not be prawning
you must not be prawning
he must not be prawning
we must not be prawning
you must not be prawning
they must not be prawning	I must not have prawned
you must not have prawned
he must not have prawned
we must not have prawned
you must not have prawned
they must not have prawned	I must not have been prawning
you must not have been prawning
he must not have been prawning
we must not have been prawning
you must not have been prawning
they must not have been prawning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prawn?
must you prawn?
must he prawn?
must we prawn?
must you prawn?
must they prawn? 	must I be prawning?
must you be prawning?
must he be prawning?
must we be prawning?
must you be prawning?
must they be prawning? 	must I have prawned?
must you have prawned?
must he have prawned?
must we have prawned?
must you have prawned?
must they have prawned? 	must I have been prawning?
must you have been prawning?
must he have been prawning?
must we have been prawning?
must you have been prawning?
must they have been prawning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not prawn?
must you not prawn?
must he not prawn?
must we not prawn?
must you not prawn?
must they not prawn? 	must I not be prawning?
must you not be prawning?
must he not be prawning?
must we not be prawning?
must you not be prawning?
must they not be prawning? 	must I not have prawned?
must you not have prawned?
must he not have prawned?
must we not have prawned?
must you not have prawned?
must they not have prawned? 	must I not have been prawning?
must you not have been prawning?
must he not have been prawning?
must we not have been prawning?
must you not have been prawning?
must they not have been prawning?