English verb conjugation
OUGHT TO PREEXAMINE

Regular verb: preexamine - preexamined - preexamined

Affirmation

Simple form	V-ing form
I ought to preexamine you ought to preexamine he ought to preexamine we ought to preexamine you ought to preexamine they ought to preexamine	I ought to be preexamining you ought to be preexamining he ought to be preexamining we ought to be preexamining you ought to be preexamining they ought to be preexamining
Perfect	V-ing perfect
I ought to have preexamined you ought to have preexamined he ought to have preexamined we ought to have preexamined you ought to have preexamined they ought to have preexamined	I ought to have been preexamining you ought to have been preexamining he ought to have been preexamining we ought to have been preexamining you ought to have been preexamining they ought to have been preexamining

Negation

Simple form	V-ing form
I oughtn't to preexamine you oughtn't to preexamine he oughtn't to preexamine we oughtn't to preexamine you oughtn't to preexamine they oughtn't to preexamine	I oughtn't to be preexamining you oughtn't to be preexamining he oughtn't to be preexamining we oughtn't to be preexamining you oughtn't to be preexamining they oughtn't to be preexamining
Perfect	V-ing perfect
I oughtn't to have preexamined you oughtn't to have preexamined he oughtn't to have preexamined we oughtn't to have preexamined you oughtn't to have preexamined they oughtn't to have preexamined	I oughtn't to have been preexamining you oughtn't to have been preexamining he oughtn't to have been preexamining we oughtn't to have been preexamining you oughtn't to have been preexamining they oughtn't to have been preexamining

Interrogative form

Simple form	V-ing form
ought to I preexamine? ought to you preexamine? ought to he preexamine? ought to we preexamine? ought to you preexamine? ought to they preexamine?	ought to I be preexamining? ought to you be preexamining? ought to he be preexamining? ought to we be preexamining? ought to you be preexamining? ought to they be preexamining?
Perfect	V-ing perfect
ought to I have preexamined? ought to you have preexamined? ought to he have preexamined? ought to we have preexamined? ought to you have preexamined? ought to they have preexamined?	ought to I have been preexamining? ought to you have been preexamining? ought to he have been preexamining? ought to we have been preexamining? ought to you have been preexamining? ought to they have been preexamining?

Interro-negative form

Simple form	V-ing form
oughtn't I to preexamine? oughtn't you to preexamine? oughtn't he to preexamine? oughtn't we to preexamine? oughtn't you to preexamine? oughtn't they to preexamine?	oughtn't I to be preexamining? oughtn't you to be preexamining? oughtn't he to be preexamining? oughtn't we to be preexamining? oughtn't you to be preexamining? oughtn't they to be preexamining?
Perfect	V-ing perfect
oughtn't I to have preexamined? oughtn't you to have preexamined? oughtn't he to have preexamined? oughtn't we to have preexamined? oughtn't you to have preexamined? oughtn't they to have preexamined?	oughtn't I to have been preexamining? oughtn't you to have been preexamining? oughtn't he to have been preexamining? oughtn't we to have been preexamining? oughtn't you to have been preexamining? oughtn't they to have been preexamining?