ought to ponder
Regular verb: ponder - pondered- pondered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to ponder
you ought to ponder
he ought to ponder
we ought to ponder
you ought to ponder
they ought to ponder 	I ought to be pondering
you ought to be pondering
he ought to be pondering
we ought to be pondering
you ought to be pondering
they ought to be pondering	I ought to have pondered
you ought to have pondered
he ought to have pondered
we ought to have pondered
you ought to have pondered
they ought to have pondered	I ought to have been pondering
you ought to have been pondering
he ought to have been pondering
we ought to have been pondering
you ought to have been pondering
they ought to have been pondering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to ponder
you oughtn't to ponder
he oughtn't to ponder
we oughtn't to ponder
you oughtn't to ponder
they oughtn't to ponder 	I oughtn't to be pondering
you oughtn't to be pondering
he oughtn't to be pondering
we oughtn't to be pondering
you oughtn't to be pondering
they oughtn't to be pondering	I oughtn't to have pondered
you oughtn't to have pondered
he oughtn't to have pondered
we oughtn't to have pondered
you oughtn't to have pondered
they oughtn't to have pondered	I oughtn't to have been pondering
you oughtn't to have been pondering
he oughtn't to have been pondering
we oughtn't to have been pondering
you oughtn't to have been pondering
they oughtn't to have been pondering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I ponder?
ought to you ponder?
ought to he ponder?
ought to we ponder?
ought to you ponder?
ought to they ponder? 	ought to I be pondering?
ought to you be pondering?
ought to he be pondering?
ought to we be pondering?
ought to you be pondering?
ought to they be pondering? 	ought to I have pondered?
ought to you have pondered?
ought to he have pondered?
ought to we have pondered?
ought to you have pondered?
ought to they have pondered? 	ought to I have been pondering?
ought to you have been pondering?
ought to he have been pondering?
ought to we have been pondering?
ought to you have been pondering?
ought to they have been pondering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to ponder?
oughtn't you to ponder?
oughtn't he to ponder?
oughtn't we to ponder?
oughtn't you to ponder?
oughtn't they to ponder? 	oughtn't I to be pondering?
oughtn't you to be pondering?
oughtn't he to be pondering?
oughtn't we to be pondering?
oughtn't you to be pondering?
oughtn't they to be pondering? 	oughtn't I to have pondered?
oughtn't you to have pondered?
oughtn't he to have pondered?
oughtn't we to have pondered?
oughtn't you to have pondered?
oughtn't they to have pondered? 	oughtn't I to have been pondering?
oughtn't you to have been pondering?
oughtn't he to have been pondering?
oughtn't we to have been pondering?
oughtn't you to have been pondering?
oughtn't they to have been pondering?