ought to swallow
Regular verb: swallow - swallowed- swallowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to swallow
you ought to swallow
he ought to swallow
we ought to swallow
you ought to swallow
they ought to swallow 	I ought to be swallowing
you ought to be swallowing
he ought to be swallowing
we ought to be swallowing
you ought to be swallowing
they ought to be swallowing	I ought to have swallowed
you ought to have swallowed
he ought to have swallowed
we ought to have swallowed
you ought to have swallowed
they ought to have swallowed	I ought to have been swallowing
you ought to have been swallowing
he ought to have been swallowing
we ought to have been swallowing
you ought to have been swallowing
they ought to have been swallowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to swallow
you oughtn't to swallow
he oughtn't to swallow
we oughtn't to swallow
you oughtn't to swallow
they oughtn't to swallow 	I oughtn't to be swallowing
you oughtn't to be swallowing
he oughtn't to be swallowing
we oughtn't to be swallowing
you oughtn't to be swallowing
they oughtn't to be swallowing	I oughtn't to have swallowed
you oughtn't to have swallowed
he oughtn't to have swallowed
we oughtn't to have swallowed
you oughtn't to have swallowed
they oughtn't to have swallowed	I oughtn't to have been swallowing
you oughtn't to have been swallowing
he oughtn't to have been swallowing
we oughtn't to have been swallowing
you oughtn't to have been swallowing
they oughtn't to have been swallowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I swallow?
ought to you swallow?
ought to he swallow?
ought to we swallow?
ought to you swallow?
ought to they swallow? 	ought to I be swallowing?
ought to you be swallowing?
ought to he be swallowing?
ought to we be swallowing?
ought to you be swallowing?
ought to they be swallowing? 	ought to I have swallowed?
ought to you have swallowed?
ought to he have swallowed?
ought to we have swallowed?
ought to you have swallowed?
ought to they have swallowed? 	ought to I have been swallowing?
ought to you have been swallowing?
ought to he have been swallowing?
ought to we have been swallowing?
ought to you have been swallowing?
ought to they have been swallowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to swallow?
oughtn't you to swallow?
oughtn't he to swallow?
oughtn't we to swallow?
oughtn't you to swallow?
oughtn't they to swallow? 	oughtn't I to be swallowing?
oughtn't you to be swallowing?
oughtn't he to be swallowing?
oughtn't we to be swallowing?
oughtn't you to be swallowing?
oughtn't they to be swallowing? 	oughtn't I to have swallowed?
oughtn't you to have swallowed?
oughtn't he to have swallowed?
oughtn't we to have swallowed?
oughtn't you to have swallowed?
oughtn't they to have swallowed? 	oughtn't I to have been swallowing?
oughtn't you to have been swallowing?
oughtn't he to have been swallowing?
oughtn't we to have been swallowing?
oughtn't you to have been swallowing?
oughtn't they to have been swallowing?