ought to cross-multiply
Verbe régulier : cross-multiply - cross-multiplied- cross-multiplied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to cross-multiply
you ought to cross-multiply
she ought to cross-multiply
we ought to cross-multiply
you ought to cross-multiply
they ought to cross-multiply 	I ought to be cross-multiplying
you ought to be cross-multiplying
she ought to be cross-multiplying
we ought to be cross-multiplying
you ought to be cross-multiplying
they ought to be cross-multiplying	I ought to have cross-multiplied
you ought to have cross-multiplied
she ought to have cross-multiplied
we ought to have cross-multiplied
you ought to have cross-multiplied
they ought to have cross-multiplied	I ought to have been cross-multiplying
you ought to have been cross-multiplying
she ought to have been cross-multiplying
we ought to have been cross-multiplying
you ought to have been cross-multiplying
they ought to have been cross-multiplying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to cross-multiply
you oughtn't to cross-multiply
she oughtn't to cross-multiply
we oughtn't to cross-multiply
you oughtn't to cross-multiply
they oughtn't to cross-multiply 	I oughtn't to be cross-multiplying
you oughtn't to be cross-multiplying
she oughtn't to be cross-multiplying
we oughtn't to be cross-multiplying
you oughtn't to be cross-multiplying
they oughtn't to be cross-multiplying	I oughtn't to have cross-multiplied
you oughtn't to have cross-multiplied
she oughtn't to have cross-multiplied
we oughtn't to have cross-multiplied
you oughtn't to have cross-multiplied
they oughtn't to have cross-multiplied	I oughtn't to have been cross-multiplying
you oughtn't to have been cross-multiplying
she oughtn't to have been cross-multiplying
we oughtn't to have been cross-multiplying
you oughtn't to have been cross-multiplying
they oughtn't to have been cross-multiplying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I cross-multiply?
ought to you cross-multiply?
ought to she cross-multiply?
ought to we cross-multiply?
ought to you cross-multiply?
ought to they cross-multiply? 	ought to I be cross-multiplying?
ought to you be cross-multiplying?
ought to she be cross-multiplying?
ought to we be cross-multiplying?
ought to you be cross-multiplying?
ought to they be cross-multiplying? 	ought to I have cross-multiplied?
ought to you have cross-multiplied?
ought to she have cross-multiplied?
ought to we have cross-multiplied?
ought to you have cross-multiplied?
ought to they have cross-multiplied? 	ought to I have been cross-multiplying?
ought to you have been cross-multiplying?
ought to she have been cross-multiplying?
ought to we have been cross-multiplying?
ought to you have been cross-multiplying?
ought to they have been cross-multiplying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to cross-multiply?
oughtn't you to cross-multiply?
oughtn't she to cross-multiply?
oughtn't we to cross-multiply?
oughtn't you to cross-multiply?
oughtn't they to cross-multiply? 	oughtn't I to be cross-multiplying?
oughtn't you to be cross-multiplying?
oughtn't she to be cross-multiplying?
oughtn't we to be cross-multiplying?
oughtn't you to be cross-multiplying?
oughtn't they to be cross-multiplying? 	oughtn't I to have cross-multiplied?
oughtn't you to have cross-multiplied?
oughtn't she to have cross-multiplied?
oughtn't we to have cross-multiplied?
oughtn't you to have cross-multiplied?
oughtn't they to have cross-multiplied? 	oughtn't I to have been cross-multiplying?
oughtn't you to have been cross-multiplying?
oughtn't she to have been cross-multiplying?
oughtn't we to have been cross-multiplying?
oughtn't you to have been cross-multiplying?
oughtn't they to have been cross-multiplying?