ought to chew
Regular verb: chew - chewed- chewed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to chew
you ought to chew
he ought to chew
we ought to chew
you ought to chew
they ought to chew 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
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 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
ought to I chew?
ought to you chew?
ought to he chew?
ought to we chew?
ought to you chew?
ought to they chew? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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? 	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? 	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?