ought to mull
Regular verb: mull - mulled- mulled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to mull
you ought to mull
he ought to mull
we ought to mull
you ought to mull
they ought to mull 	I ought to be mulling
you ought to be mulling
he ought to be mulling
we ought to be mulling
you ought to be mulling
they ought to be mulling	I ought to have mulled
you ought to have mulled
he ought to have mulled
we ought to have mulled
you ought to have mulled
they ought to have mulled	I ought to have been mulling
you ought to have been mulling
he ought to have been mulling
we ought to have been mulling
you ought to have been mulling
they ought to have been mulling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to mull
you oughtn't to mull
he oughtn't to mull
we oughtn't to mull
you oughtn't to mull
they oughtn't to mull 	I oughtn't to be mulling
you oughtn't to be mulling
he oughtn't to be mulling
we oughtn't to be mulling
you oughtn't to be mulling
they oughtn't to be mulling	I oughtn't to have mulled
you oughtn't to have mulled
he oughtn't to have mulled
we oughtn't to have mulled
you oughtn't to have mulled
they oughtn't to have mulled	I oughtn't to have been mulling
you oughtn't to have been mulling
he oughtn't to have been mulling
we oughtn't to have been mulling
you oughtn't to have been mulling
they oughtn't to have been mulling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I mull?
ought to you mull?
ought to he mull?
ought to we mull?
ought to you mull?
ought to they mull? 	ought to I be mulling?
ought to you be mulling?
ought to he be mulling?
ought to we be mulling?
ought to you be mulling?
ought to they be mulling? 	ought to I have mulled?
ought to you have mulled?
ought to he have mulled?
ought to we have mulled?
ought to you have mulled?
ought to they have mulled? 	ought to I have been mulling?
ought to you have been mulling?
ought to he have been mulling?
ought to we have been mulling?
ought to you have been mulling?
ought to they have been mulling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to mull?
oughtn't you to mull?
oughtn't he to mull?
oughtn't we to mull?
oughtn't you to mull?
oughtn't they to mull? 	oughtn't I to be mulling?
oughtn't you to be mulling?
oughtn't he to be mulling?
oughtn't we to be mulling?
oughtn't you to be mulling?
oughtn't they to be mulling? 	oughtn't I to have mulled?
oughtn't you to have mulled?
oughtn't he to have mulled?
oughtn't we to have mulled?
oughtn't you to have mulled?
oughtn't they to have mulled? 	oughtn't I to have been mulling?
oughtn't you to have been mulling?
oughtn't he to have been mulling?
oughtn't we to have been mulling?
oughtn't you to have been mulling?
oughtn't they to have been mulling?