ought to memorise
Regular verb: memorise - memorised- memorised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to memorise
you ought to memorise
he ought to memorise
we ought to memorise
you ought to memorise
they ought to memorise 	I ought to be memorising
you ought to be memorising
he ought to be memorising
we ought to be memorising
you ought to be memorising
they ought to be memorising	I ought to have memorised
you ought to have memorised
he ought to have memorised
we ought to have memorised
you ought to have memorised
they ought to have memorised	I ought to have been memorising
you ought to have been memorising
he ought to have been memorising
we ought to have been memorising
you ought to have been memorising
they ought to have been memorising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to memorise
you oughtn't to memorise
he oughtn't to memorise
we oughtn't to memorise
you oughtn't to memorise
they oughtn't to memorise 	I oughtn't to be memorising
you oughtn't to be memorising
he oughtn't to be memorising
we oughtn't to be memorising
you oughtn't to be memorising
they oughtn't to be memorising	I oughtn't to have memorised
you oughtn't to have memorised
he oughtn't to have memorised
we oughtn't to have memorised
you oughtn't to have memorised
they oughtn't to have memorised	I oughtn't to have been memorising
you oughtn't to have been memorising
he oughtn't to have been memorising
we oughtn't to have been memorising
you oughtn't to have been memorising
they oughtn't to have been memorising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I memorise?
ought to you memorise?
ought to he memorise?
ought to we memorise?
ought to you memorise?
ought to they memorise? 	ought to I be memorising?
ought to you be memorising?
ought to he be memorising?
ought to we be memorising?
ought to you be memorising?
ought to they be memorising? 	ought to I have memorised?
ought to you have memorised?
ought to he have memorised?
ought to we have memorised?
ought to you have memorised?
ought to they have memorised? 	ought to I have been memorising?
ought to you have been memorising?
ought to he have been memorising?
ought to we have been memorising?
ought to you have been memorising?
ought to they have been memorising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to memorise?
oughtn't you to memorise?
oughtn't he to memorise?
oughtn't we to memorise?
oughtn't you to memorise?
oughtn't they to memorise? 	oughtn't I to be memorising?
oughtn't you to be memorising?
oughtn't he to be memorising?
oughtn't we to be memorising?
oughtn't you to be memorising?
oughtn't they to be memorising? 	oughtn't I to have memorised?
oughtn't you to have memorised?
oughtn't he to have memorised?
oughtn't we to have memorised?
oughtn't you to have memorised?
oughtn't they to have memorised? 	oughtn't I to have been memorising?
oughtn't you to have been memorising?
oughtn't he to have been memorising?
oughtn't we to have been memorising?
oughtn't you to have been memorising?
oughtn't they to have been memorising?