ought to multiply
Regular verb: multiply - multiplied- multiplied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to multiply
you ought to multiply
she ought to multiply
we ought to multiply
you ought to multiply
they ought to multiply 	I ought to be multiplying
you ought to be multiplying
she ought to be multiplying
we ought to be multiplying
you ought to be multiplying
they ought to be multiplying	I ought to have multiplied
you ought to have multiplied
she ought to have multiplied
we ought to have multiplied
you ought to have multiplied
they ought to have multiplied	I ought to have been multiplying
you ought to have been multiplying
she ought to have been multiplying
we ought to have been multiplying
you ought to have been multiplying
they ought to have been multiplying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to multiply
you oughtn't to multiply
she oughtn't to multiply
we oughtn't to multiply
you oughtn't to multiply
they oughtn't to multiply 	I oughtn't to be multiplying
you oughtn't to be multiplying
she oughtn't to be multiplying
we oughtn't to be multiplying
you oughtn't to be multiplying
they oughtn't to be multiplying	I oughtn't to have multiplied
you oughtn't to have multiplied
she oughtn't to have multiplied
we oughtn't to have multiplied
you oughtn't to have multiplied
they oughtn't to have multiplied	I oughtn't to have been multiplying
you oughtn't to have been multiplying
she oughtn't to have been multiplying
we oughtn't to have been multiplying
you oughtn't to have been multiplying
they oughtn't to have been multiplying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I multiply?
ought to you multiply?
ought to she multiply?
ought to we multiply?
ought to you multiply?
ought to they multiply? 	ought to I be multiplying?
ought to you be multiplying?
ought to she be multiplying?
ought to we be multiplying?
ought to you be multiplying?
ought to they be multiplying? 	ought to I have multiplied?
ought to you have multiplied?
ought to she have multiplied?
ought to we have multiplied?
ought to you have multiplied?
ought to they have multiplied? 	ought to I have been multiplying?
ought to you have been multiplying?
ought to she have been multiplying?
ought to we have been multiplying?
ought to you have been multiplying?
ought to they have been multiplying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to multiply?
oughtn't you to multiply?
oughtn't she to multiply?
oughtn't we to multiply?
oughtn't you to multiply?
oughtn't they to multiply? 	oughtn't I to be multiplying?
oughtn't you to be multiplying?
oughtn't she to be multiplying?
oughtn't we to be multiplying?
oughtn't you to be multiplying?
oughtn't they to be multiplying? 	oughtn't I to have multiplied?
oughtn't you to have multiplied?
oughtn't she to have multiplied?
oughtn't we to have multiplied?
oughtn't you to have multiplied?
oughtn't they to have multiplied? 	oughtn't I to have been multiplying?
oughtn't you to have been multiplying?
oughtn't she to have been multiplying?
oughtn't we to have been multiplying?
oughtn't you to have been multiplying?
oughtn't they to have been multiplying?