English verb conjugation
OUGHT TO PREWARM

Regular verb: prewarm - prewarmed - prewarmed

Affirmation

Simple form	V-ing form
I ought to prewarm you ought to prewarm he ought to prewarm we ought to prewarm you ought to prewarm they ought to prewarm	I ought to be prewarming you ought to be prewarming he ought to be prewarming we ought to be prewarming you ought to be prewarming they ought to be prewarming
Perfect	V-ing perfect
I ought to have prewarmed you ought to have prewarmed he ought to have prewarmed we ought to have prewarmed you ought to have prewarmed they ought to have prewarmed	I ought to have been prewarming you ought to have been prewarming he ought to have been prewarming we ought to have been prewarming you ought to have been prewarming they ought to have been prewarming

Negation

Simple form	V-ing form
I oughtn't to prewarm you oughtn't to prewarm he oughtn't to prewarm we oughtn't to prewarm you oughtn't to prewarm they oughtn't to prewarm	I oughtn't to be prewarming you oughtn't to be prewarming he oughtn't to be prewarming we oughtn't to be prewarming you oughtn't to be prewarming they oughtn't to be prewarming
Perfect	V-ing perfect
I oughtn't to have prewarmed you oughtn't to have prewarmed he oughtn't to have prewarmed we oughtn't to have prewarmed you oughtn't to have prewarmed they oughtn't to have prewarmed	I oughtn't to have been prewarming you oughtn't to have been prewarming he oughtn't to have been prewarming we oughtn't to have been prewarming you oughtn't to have been prewarming they oughtn't to have been prewarming

Interrogative form

Simple form	V-ing form
ought to I prewarm? ought to you prewarm? ought to he prewarm? ought to we prewarm? ought to you prewarm? ought to they prewarm?	ought to I be prewarming? ought to you be prewarming? ought to he be prewarming? ought to we be prewarming? ought to you be prewarming? ought to they be prewarming?
Perfect	V-ing perfect
ought to I have prewarmed? ought to you have prewarmed? ought to he have prewarmed? ought to we have prewarmed? ought to you have prewarmed? ought to they have prewarmed?	ought to I have been prewarming? ought to you have been prewarming? ought to he have been prewarming? ought to we have been prewarming? ought to you have been prewarming? ought to they have been prewarming?

Interro-negative form

Simple form	V-ing form
oughtn't I to prewarm? oughtn't you to prewarm? oughtn't he to prewarm? oughtn't we to prewarm? oughtn't you to prewarm? oughtn't they to prewarm?	oughtn't I to be prewarming? oughtn't you to be prewarming? oughtn't he to be prewarming? oughtn't we to be prewarming? oughtn't you to be prewarming? oughtn't they to be prewarming?
Perfect	V-ing perfect
oughtn't I to have prewarmed? oughtn't you to have prewarmed? oughtn't he to have prewarmed? oughtn't we to have prewarmed? oughtn't you to have prewarmed? oughtn't they to have prewarmed?	oughtn't I to have been prewarming? oughtn't you to have been prewarming? oughtn't he to have been prewarming? oughtn't we to have been prewarming? oughtn't you to have been prewarming? oughtn't they to have been prewarming?