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 ought not to swallow
you ought not to swallow
he ought not to swallow
we ought not to swallow
you ought not to swallow
they ought not to swallow 	I ought not to swallowing
you ought not to swallowing
he ought not to swallowing
we ought not to swallowing
you ought not to swallowing
they ought not to swallowing	I ought not to have swallowed
you ought not to have swallowed
he ought not to have swallowed
we ought not to have swallowed
you ought not to have swallowed
they ought not to have swallowed	I ought not to have been swallowing
you ought not to have been swallowing
he ought not to have been swallowing
we ought not to have been swallowing
you ought not to have been swallowing
they ought not 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 	
ought I not to swallow?
ought you not to swallow?
ought he not to swallow?
ought we not to swallow?
ought you not to swallow?
ought they not to swallow? 	ought I not to be swallowing?
ought you not to be swallowing?
ought he not to be swallowing?
ought we not to be swallowing?
ought you not to be swallowing?
ought they not to be swallowing? 	ought I not to have swallowed?
ought you not to have swallowed?
ought he not to have swallowed?
ought we not to have swallowed?
ought you not to have swallowed?
ought they not to have swallowed? 	ought I not to have been swallowing?
ought you not to have been swallowing?
ought he not to have been swallowing?
ought we not to have been swallowing?
ought you not to have been swallowing?
ought they not to have been swallowing?