English verb conjugation
OUGHT TO PERPEND

Regular verb: perpend - perpended - perpended

Affirmation

Simple form	V-ing form
I ought to perpend you ought to perpend he ought to perpend we ought to perpend you ought to perpend they ought to perpend	I ought to be perpending you ought to be perpending he ought to be perpending we ought to be perpending you ought to be perpending they ought to be perpending
Perfect	V-ing perfect
I ought to have perpended you ought to have perpended he ought to have perpended we ought to have perpended you ought to have perpended they ought to have perpended	I ought to have been perpending you ought to have been perpending he ought to have been perpending we ought to have been perpending you ought to have been perpending they ought to have been perpending

Negation

Simple form	V-ing form
I oughtn't to perpend you oughtn't to perpend he oughtn't to perpend we oughtn't to perpend you oughtn't to perpend they oughtn't to perpend	I oughtn't to be perpending you oughtn't to be perpending he oughtn't to be perpending we oughtn't to be perpending you oughtn't to be perpending they oughtn't to be perpending
Perfect	V-ing perfect
I oughtn't to have perpended you oughtn't to have perpended he oughtn't to have perpended we oughtn't to have perpended you oughtn't to have perpended they oughtn't to have perpended	I oughtn't to have been perpending you oughtn't to have been perpending he oughtn't to have been perpending we oughtn't to have been perpending you oughtn't to have been perpending they oughtn't to have been perpending

Interrogative form

Simple form	V-ing form
ought to I perpend? ought to you perpend? ought to he perpend? ought to we perpend? ought to you perpend? ought to they perpend?	ought to I be perpending? ought to you be perpending? ought to he be perpending? ought to we be perpending? ought to you be perpending? ought to they be perpending?
Perfect	V-ing perfect
ought to I have perpended? ought to you have perpended? ought to he have perpended? ought to we have perpended? ought to you have perpended? ought to they have perpended?	ought to I have been perpending? ought to you have been perpending? ought to he have been perpending? ought to we have been perpending? ought to you have been perpending? ought to they have been perpending?

Interro-negative form

Simple form	V-ing form
oughtn't I to perpend? oughtn't you to perpend? oughtn't he to perpend? oughtn't we to perpend? oughtn't you to perpend? oughtn't they to perpend?	oughtn't I to be perpending? oughtn't you to be perpending? oughtn't he to be perpending? oughtn't we to be perpending? oughtn't you to be perpending? oughtn't they to be perpending?
Perfect	V-ing perfect
oughtn't I to have perpended? oughtn't you to have perpended? oughtn't he to have perpended? oughtn't we to have perpended? oughtn't you to have perpended? oughtn't they to have perpended?	oughtn't I to have been perpending? oughtn't you to have been perpending? oughtn't he to have been perpending? oughtn't we to have been perpending? oughtn't you to have been perpending? oughtn't they to have been perpending?