English verb conjugation
OUGHT TO PRAWN

Regular verb: prawn - prawned - prawned

Affirmation

Simple form	V-ing form
I ought to prawn you ought to prawn he 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 he ought to be prawning we ought to be prawning you ought to be prawning they ought to be prawning
Perfect	V-ing perfect
I ought to have prawned you ought to have prawned he 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 he ought to have been prawning we ought to have been prawning you ought to have been prawning they ought to have been prawning

Negation

Simple form	V-ing form
I oughtn't to prawn you oughtn't to prawn he oughtn't to prawn we oughtn't to prawn you oughtn't to prawn they oughtn't to prawn	I oughtn't to be prawning you oughtn't to be prawning he oughtn't to be prawning we oughtn't to be prawning you oughtn't to be prawning they oughtn't to be prawning
Perfect	V-ing perfect
I oughtn't to have prawned you oughtn't to have prawned he oughtn't to have prawned we oughtn't to have prawned you oughtn't to have prawned they oughtn't to have prawned	I oughtn't to have been prawning you oughtn't to have been prawning he oughtn't to have been prawning we oughtn't to have been prawning you oughtn't to have been prawning they oughtn't to have been prawning

Interrogative form

Simple form	V-ing form
ought to I prawn? ought to you prawn? ought to he 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 he be prawning? ought to we be prawning? ought to you be prawning? ought to they be prawning?
Perfect	V-ing perfect
ought to I have prawned? ought to you have prawned? ought to he 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 he have been prawning? ought to we have been prawning? ought to you have been prawning? ought to they have been prawning?

Interro-negative form

Simple form	V-ing form
oughtn't I to prawn? oughtn't you to prawn? oughtn't he to prawn? oughtn't we to prawn? oughtn't you to prawn? oughtn't they to prawn?	oughtn't I to be prawning? oughtn't you to be prawning? oughtn't he to be prawning? oughtn't we to be prawning? oughtn't you to be prawning? oughtn't they to be prawning?
Perfect	V-ing perfect
oughtn't I to have prawned? oughtn't you to have prawned? oughtn't he to have prawned? oughtn't we to have prawned? oughtn't you to have prawned? oughtn't they to have prawned?	oughtn't I to have been prawning? oughtn't you to have been prawning? oughtn't he to have been prawning? oughtn't we to have been prawning? oughtn't you to have been prawning? oughtn't they to have been prawning?