English verb conjugation
OUGHT TO REQUIRE

Regular verb: require - required - required

Affirmation

Simple form	V-ing form
I ought to require you ought to require he ought to require we ought to require you ought to require they ought to require	I ought to be requiring you ought to be requiring he ought to be requiring we ought to be requiring you ought to be requiring they ought to be requiring
Perfect	V-ing perfect
I ought to have required you ought to have required he ought to have required we ought to have required you ought to have required they ought to have required	I ought to have been requiring you ought to have been requiring he ought to have been requiring we ought to have been requiring you ought to have been requiring they ought to have been requiring

Negation

Simple form	V-ing form
I oughtn't to require you oughtn't to require he oughtn't to require we oughtn't to require you oughtn't to require they oughtn't to require	I oughtn't to be requiring you oughtn't to be requiring he oughtn't to be requiring we oughtn't to be requiring you oughtn't to be requiring they oughtn't to be requiring
Perfect	V-ing perfect
I oughtn't to have required you oughtn't to have required he oughtn't to have required we oughtn't to have required you oughtn't to have required they oughtn't to have required	I oughtn't to have been requiring you oughtn't to have been requiring he oughtn't to have been requiring we oughtn't to have been requiring you oughtn't to have been requiring they oughtn't to have been requiring

Interrogative form

Simple form	V-ing form
ought to I require? ought to you require? ought to he require? ought to we require? ought to you require? ought to they require?	ought to I be requiring? ought to you be requiring? ought to he be requiring? ought to we be requiring? ought to you be requiring? ought to they be requiring?
Perfect	V-ing perfect
ought to I have required? ought to you have required? ought to he have required? ought to we have required? ought to you have required? ought to they have required?	ought to I have been requiring? ought to you have been requiring? ought to he have been requiring? ought to we have been requiring? ought to you have been requiring? ought to they have been requiring?

Interro-negative form

Simple form	V-ing form
oughtn't I to require? oughtn't you to require? oughtn't he to require? oughtn't we to require? oughtn't you to require? oughtn't they to require?	oughtn't I to be requiring? oughtn't you to be requiring? oughtn't he to be requiring? oughtn't we to be requiring? oughtn't you to be requiring? oughtn't they to be requiring?
Perfect	V-ing perfect
oughtn't I to have required? oughtn't you to have required? oughtn't he to have required? oughtn't we to have required? oughtn't you to have required? oughtn't they to have required?	oughtn't I to have been requiring? oughtn't you to have been requiring? oughtn't he to have been requiring? oughtn't we to have been requiring? oughtn't you to have been requiring? oughtn't they to have been requiring?