ought to prawn
Verbe régulier : prawn - prawned- prawned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to prawn
you ought to prawn
she ought to prawn
we ought to prawn
you ought to prawn
they ought to prawn 	I ought to be prawning
you ought to be prawning
she ought to be prawning
we ought to be prawning
you ought to be prawning
they ought to be prawning	I ought to have prawned
you ought to have prawned
she ought to have prawned
we ought to have prawned
you ought to have prawned
they ought to have prawned	I ought to have been prawning
you ought to have been prawning
she ought to have been prawning
we ought to have been prawning
you ought to have been prawning
they ought to have been prawning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to prawn
you ought not to prawn
she ought not to prawn
we ought not to prawn
you ought not to prawn
they ought not to prawn 	I ought not to prawning
you ought not to prawning
she ought not to prawning
we ought not to prawning
you ought not to prawning
they ought not to prawning	I ought not to have prawned
you ought not to have prawned
she ought not to have prawned
we ought not to have prawned
you ought not to have prawned
they ought not to have prawned	I ought not to have been prawning
you ought not to have been prawning
she ought not to have been prawning
we ought not to have been prawning
you ought not to have been prawning
they ought not to have been prawning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I prawn?
ought to you prawn?
ought to she prawn?
ought to we prawn?
ought to you prawn?
ought to they prawn? 	ought to I be prawning?
ought to you be prawning?
ought to she be prawning?
ought to we be prawning?
ought to you be prawning?
ought to they be prawning? 	ought to I have prawned?
ought to you have prawned?
ought to she have prawned?
ought to we have prawned?
ought to you have prawned?
ought to they have prawned? 	ought to I have been prawning?
ought to you have been prawning?
ought to she have been prawning?
ought to we have been prawning?
ought to you have been prawning?
ought to they have been prawning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to prawn?
ought you not to prawn?
ought she not to prawn?
ought we not to prawn?
ought you not to prawn?
ought they not to prawn? 	ought I not to be prawning?
ought you not to be prawning?
ought she not to be prawning?
ought we not to be prawning?
ought you not to be prawning?
ought they not to be prawning? 	ought I not to have prawned?
ought you not to have prawned?
ought she not to have prawned?
ought we not to have prawned?
ought you not to have prawned?
ought they not to have prawned? 	ought I not to have been prawning?
ought you not to have been prawning?
ought she not to have been prawning?
ought we not to have been prawning?
ought you not to have been prawning?
ought they not to have been prawning?