ought to circumvent
Regular verb: circumvent - circumvented- circumvented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to circumvent
you ought to circumvent
she ought to circumvent
we ought to circumvent
you ought to circumvent
they ought to circumvent 	I ought to be circumventing
you ought to be circumventing
she ought to be circumventing
we ought to be circumventing
you ought to be circumventing
they ought to be circumventing	I ought to have circumvented
you ought to have circumvented
she ought to have circumvented
we ought to have circumvented
you ought to have circumvented
they ought to have circumvented	I ought to have been circumventing
you ought to have been circumventing
she ought to have been circumventing
we ought to have been circumventing
you ought to have been circumventing
they ought to have been circumventing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to circumvent
you oughtn't to circumvent
she oughtn't to circumvent
we oughtn't to circumvent
you oughtn't to circumvent
they oughtn't to circumvent 	I oughtn't to be circumventing
you oughtn't to be circumventing
she oughtn't to be circumventing
we oughtn't to be circumventing
you oughtn't to be circumventing
they oughtn't to be circumventing	I oughtn't to have circumvented
you oughtn't to have circumvented
she oughtn't to have circumvented
we oughtn't to have circumvented
you oughtn't to have circumvented
they oughtn't to have circumvented	I oughtn't to have been circumventing
you oughtn't to have been circumventing
she oughtn't to have been circumventing
we oughtn't to have been circumventing
you oughtn't to have been circumventing
they oughtn't to have been circumventing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I circumvent?
ought to you circumvent?
ought to she circumvent?
ought to we circumvent?
ought to you circumvent?
ought to they circumvent? 	ought to I be circumventing?
ought to you be circumventing?
ought to she be circumventing?
ought to we be circumventing?
ought to you be circumventing?
ought to they be circumventing? 	ought to I have circumvented?
ought to you have circumvented?
ought to she have circumvented?
ought to we have circumvented?
ought to you have circumvented?
ought to they have circumvented? 	ought to I have been circumventing?
ought to you have been circumventing?
ought to she have been circumventing?
ought to we have been circumventing?
ought to you have been circumventing?
ought to they have been circumventing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to circumvent?
oughtn't you to circumvent?
oughtn't she to circumvent?
oughtn't we to circumvent?
oughtn't you to circumvent?
oughtn't they to circumvent? 	oughtn't I to be circumventing?
oughtn't you to be circumventing?
oughtn't she to be circumventing?
oughtn't we to be circumventing?
oughtn't you to be circumventing?
oughtn't they to be circumventing? 	oughtn't I to have circumvented?
oughtn't you to have circumvented?
oughtn't she to have circumvented?
oughtn't we to have circumvented?
oughtn't you to have circumvented?
oughtn't they to have circumvented? 	oughtn't I to have been circumventing?
oughtn't you to have been circumventing?
oughtn't she to have been circumventing?
oughtn't we to have been circumventing?
oughtn't you to have been circumventing?
oughtn't they to have been circumventing?