I ought to chew you ought to chew he ought to chew we ought to chew you ought to chew they ought to chew
V-ing form
I ought to be chewing you ought to be chewing he ought to be chewing we ought to be chewing you ought to be chewing they ought to be chewing
Perfect
I ought to have chewed you ought to have chewed he ought to have chewed we ought to have chewed you ought to have chewed they ought to have chewed
V-ing perfect
I ought to have been chewing you ought to have been chewing he ought to have been chewing we ought to have been chewing you ought to have been chewing they ought to have been chewing
Negation
Simple form
I oughtn't to chew you oughtn't to chew he oughtn't to chew we oughtn't to chew you oughtn't to chew they oughtn't to chew
V-ing form
I oughtn't to be chewing you oughtn't to be chewing he oughtn't to be chewing we oughtn't to be chewing you oughtn't to be chewing they oughtn't to be chewing
Perfect
I oughtn't to have chewed you oughtn't to have chewed he oughtn't to have chewed we oughtn't to have chewed you oughtn't to have chewed they oughtn't to have chewed
V-ing perfect
I oughtn't to have been chewing you oughtn't to have been chewing he oughtn't to have been chewing we oughtn't to have been chewing you oughtn't to have been chewing they oughtn't to have been chewing
Interrogative form
Simple form
ought to I chew? ought to you chew? ought to he chew? ought to we chew? ought to you chew? ought to they chew?
V-ing form
ought to I be chewing? ought to you be chewing? ought to he be chewing? ought to we be chewing? ought to you be chewing? ought to they be chewing?
Perfect
ought to I have chewed? ought to you have chewed? ought to he have chewed? ought to we have chewed? ought to you have chewed? ought to they have chewed?
V-ing perfect
ought to I have been chewing? ought to you have been chewing? ought to he have been chewing? ought to we have been chewing? ought to you have been chewing? ought to they have been chewing?
Interro-negative form
Simple form
oughtn't I to chew? oughtn't you to chew? oughtn't he to chew? oughtn't we to chew? oughtn't you to chew? oughtn't they to chew?
V-ing form
oughtn't I to be chewing? oughtn't you to be chewing? oughtn't he to be chewing? oughtn't we to be chewing? oughtn't you to be chewing? oughtn't they to be chewing?
Perfect
oughtn't I to have chewed? oughtn't you to have chewed? oughtn't he to have chewed? oughtn't we to have chewed? oughtn't you to have chewed? oughtn't they to have chewed?
V-ing perfect
oughtn't I to have been chewing? oughtn't you to have been chewing? oughtn't he to have been chewing? oughtn't we to have been chewing? oughtn't you to have been chewing? oughtn't they to have been chewing?