English verb conjugation
OUGHT TO CREAK

Regular verb: creak - creaked - creaked

Affirmation

Simple form	V-ing form
I ought to creak you ought to creak he ought to creak we ought to creak you ought to creak they ought to creak	I ought to be creaking you ought to be creaking he ought to be creaking we ought to be creaking you ought to be creaking they ought to be creaking
Perfect	V-ing perfect
I ought to have creaked you ought to have creaked he ought to have creaked we ought to have creaked you ought to have creaked they ought to have creaked	I ought to have been creaking you ought to have been creaking he ought to have been creaking we ought to have been creaking you ought to have been creaking they ought to have been creaking

Negation

Simple form	V-ing form
I oughtn't to creak you oughtn't to creak he oughtn't to creak we oughtn't to creak you oughtn't to creak they oughtn't to creak	I oughtn't to be creaking you oughtn't to be creaking he oughtn't to be creaking we oughtn't to be creaking you oughtn't to be creaking they oughtn't to be creaking
Perfect	V-ing perfect
I oughtn't to have creaked you oughtn't to have creaked he oughtn't to have creaked we oughtn't to have creaked you oughtn't to have creaked they oughtn't to have creaked	I oughtn't to have been creaking you oughtn't to have been creaking he oughtn't to have been creaking we oughtn't to have been creaking you oughtn't to have been creaking they oughtn't to have been creaking

Interrogative form

Simple form	V-ing form
ought to I creak? ought to you creak? ought to he creak? ought to we creak? ought to you creak? ought to they creak?	ought to I be creaking? ought to you be creaking? ought to he be creaking? ought to we be creaking? ought to you be creaking? ought to they be creaking?
Perfect	V-ing perfect
ought to I have creaked? ought to you have creaked? ought to he have creaked? ought to we have creaked? ought to you have creaked? ought to they have creaked?	ought to I have been creaking? ought to you have been creaking? ought to he have been creaking? ought to we have been creaking? ought to you have been creaking? ought to they have been creaking?

Interro-negative form

Simple form	V-ing form
oughtn't I to creak? oughtn't you to creak? oughtn't he to creak? oughtn't we to creak? oughtn't you to creak? oughtn't they to creak?	oughtn't I to be creaking? oughtn't you to be creaking? oughtn't he to be creaking? oughtn't we to be creaking? oughtn't you to be creaking? oughtn't they to be creaking?
Perfect	V-ing perfect
oughtn't I to have creaked? oughtn't you to have creaked? oughtn't he to have creaked? oughtn't we to have creaked? oughtn't you to have creaked? oughtn't they to have creaked?	oughtn't I to have been creaking? oughtn't you to have been creaking? oughtn't he to have been creaking? oughtn't we to have been creaking? oughtn't you to have been creaking? oughtn't they to have been creaking?