English verb conjugation
OUGHT TO REEF

Regular verb: reef - reefed - reefed

Affirmation

Simple form	V-ing form
I ought to reef you ought to reef she ought to reef we ought to reef you ought to reef they ought to reef	I ought to be reefing you ought to be reefing she ought to be reefing we ought to be reefing you ought to be reefing they ought to be reefing
Perfect	V-ing perfect
I ought to have reefed you ought to have reefed she ought to have reefed we ought to have reefed you ought to have reefed they ought to have reefed	I ought to have been reefing you ought to have been reefing she ought to have been reefing we ought to have been reefing you ought to have been reefing they ought to have been reefing

Negation

Simple form	V-ing form
I oughtn't to reef you oughtn't to reef she oughtn't to reef we oughtn't to reef you oughtn't to reef they oughtn't to reef	I oughtn't to be reefing you oughtn't to be reefing she oughtn't to be reefing we oughtn't to be reefing you oughtn't to be reefing they oughtn't to be reefing
Perfect	V-ing perfect
I oughtn't to have reefed you oughtn't to have reefed she oughtn't to have reefed we oughtn't to have reefed you oughtn't to have reefed they oughtn't to have reefed	I oughtn't to have been reefing you oughtn't to have been reefing she oughtn't to have been reefing we oughtn't to have been reefing you oughtn't to have been reefing they oughtn't to have been reefing

Interrogative form

Simple form	V-ing form
ought to I reef? ought to you reef? ought to she reef? ought to we reef? ought to you reef? ought to they reef?	ought to I be reefing? ought to you be reefing? ought to she be reefing? ought to we be reefing? ought to you be reefing? ought to they be reefing?
Perfect	V-ing perfect
ought to I have reefed? ought to you have reefed? ought to she have reefed? ought to we have reefed? ought to you have reefed? ought to they have reefed?	ought to I have been reefing? ought to you have been reefing? ought to she have been reefing? ought to we have been reefing? ought to you have been reefing? ought to they have been reefing?

Interro-negative form

Simple form	V-ing form
oughtn't I to reef? oughtn't you to reef? oughtn't she to reef? oughtn't we to reef? oughtn't you to reef? oughtn't they to reef?	oughtn't I to be reefing? oughtn't you to be reefing? oughtn't she to be reefing? oughtn't we to be reefing? oughtn't you to be reefing? oughtn't they to be reefing?
Perfect	V-ing perfect
oughtn't I to have reefed? oughtn't you to have reefed? oughtn't she to have reefed? oughtn't we to have reefed? oughtn't you to have reefed? oughtn't they to have reefed?	oughtn't I to have been reefing? oughtn't you to have been reefing? oughtn't she to have been reefing? oughtn't we to have been reefing? oughtn't you to have been reefing? oughtn't they to have been reefing?