ought to stagnate
Regular verb: stagnate - stagnated- stagnated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to stagnate
you ought to stagnate
he ought to stagnate
we ought to stagnate
you ought to stagnate
they ought to stagnate 	I ought to be stagnating
you ought to be stagnating
he ought to be stagnating
we ought to be stagnating
you ought to be stagnating
they ought to be stagnating	I ought to have stagnated
you ought to have stagnated
he ought to have stagnated
we ought to have stagnated
you ought to have stagnated
they ought to have stagnated	I ought to have been stagnating
you ought to have been stagnating
he ought to have been stagnating
we ought to have been stagnating
you ought to have been stagnating
they ought to have been stagnating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to stagnate
you ought not to stagnate
he ought not to stagnate
we ought not to stagnate
you ought not to stagnate
they ought not to stagnate 	I ought not to stagnating
you ought not to stagnating
he ought not to stagnating
we ought not to stagnating
you ought not to stagnating
they ought not to stagnating	I ought not to have stagnated
you ought not to have stagnated
he ought not to have stagnated
we ought not to have stagnated
you ought not to have stagnated
they ought not to have stagnated	I ought not to have been stagnating
you ought not to have been stagnating
he ought not to have been stagnating
we ought not to have been stagnating
you ought not to have been stagnating
they ought not to have been stagnating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I stagnate?
ought to you stagnate?
ought to he stagnate?
ought to we stagnate?
ought to you stagnate?
ought to they stagnate? 	ought to I be stagnating?
ought to you be stagnating?
ought to he be stagnating?
ought to we be stagnating?
ought to you be stagnating?
ought to they be stagnating? 	ought to I have stagnated?
ought to you have stagnated?
ought to he have stagnated?
ought to we have stagnated?
ought to you have stagnated?
ought to they have stagnated? 	ought to I have been stagnating?
ought to you have been stagnating?
ought to he have been stagnating?
ought to we have been stagnating?
ought to you have been stagnating?
ought to they have been stagnating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to stagnate?
ought you not to stagnate?
ought he not to stagnate?
ought we not to stagnate?
ought you not to stagnate?
ought they not to stagnate? 	ought I not to be stagnating?
ought you not to be stagnating?
ought he not to be stagnating?
ought we not to be stagnating?
ought you not to be stagnating?
ought they not to be stagnating? 	ought I not to have stagnated?
ought you not to have stagnated?
ought he not to have stagnated?
ought we not to have stagnated?
ought you not to have stagnated?
ought they not to have stagnated? 	ought I not to have been stagnating?
ought you not to have been stagnating?
ought he not to have been stagnating?
ought we not to have been stagnating?
ought you not to have been stagnating?
ought they not to have been stagnating?