must cross-multiply
Verbo regular: cross-multiply - cross-multiplied- cross-multiplied

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must cross-multiply
you must cross-multiply
he must cross-multiply
we must cross-multiply
you must cross-multiply
they must cross-multiply 	I must be cross-multiplying
you must be cross-multiplying
he must be cross-multiplying
we must be cross-multiplying
you must be cross-multiplying
they must be cross-multiplying	I must have cross-multiplied
you must have cross-multiplied
he must have cross-multiplied
we must have cross-multiplied
you must have cross-multiplied
they must have cross-multiplied	I must have been cross-multiplying
you must have been cross-multiplying
he must have been cross-multiplying
we must have been cross-multiplying
you must have been cross-multiplying
they must have been cross-multiplying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not cross-multiply
you must not cross-multiply
he must not cross-multiply
we must not cross-multiply
you must not cross-multiply
they must not cross-multiply 	I must not be cross-multiplying
you must not be cross-multiplying
he must not be cross-multiplying
we must not be cross-multiplying
you must not be cross-multiplying
they must not be cross-multiplying	I must not have cross-multiplied
you must not have cross-multiplied
he must not have cross-multiplied
we must not have cross-multiplied
you must not have cross-multiplied
they must not have cross-multiplied	I must not have been cross-multiplying
you must not have been cross-multiplying
he must not have been cross-multiplying
we must not have been cross-multiplying
you must not have been cross-multiplying
they must not have been cross-multiplying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I cross-multiply?
must you cross-multiply?
must he cross-multiply?
must we cross-multiply?
must you cross-multiply?
must they cross-multiply? 	must I be cross-multiplying?
must you be cross-multiplying?
must he be cross-multiplying?
must we be cross-multiplying?
must you be cross-multiplying?
must they be cross-multiplying? 	must I have cross-multiplied?
must you have cross-multiplied?
must he have cross-multiplied?
must we have cross-multiplied?
must you have cross-multiplied?
must they have cross-multiplied? 	must I have been cross-multiplying?
must you have been cross-multiplying?
must he have been cross-multiplying?
must we have been cross-multiplying?
must you have been cross-multiplying?
must they have been cross-multiplying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not cross-multiply?
must you not cross-multiply?
must he not cross-multiply?
must we not cross-multiply?
must you not cross-multiply?
must they not cross-multiply? 	must I not be cross-multiplying?
must you not be cross-multiplying?
must he not be cross-multiplying?
must we not be cross-multiplying?
must you not be cross-multiplying?
must they not be cross-multiplying? 	must I not have cross-multiplied?
must you not have cross-multiplied?
must he not have cross-multiplied?
must we not have cross-multiplied?
must you not have cross-multiplied?
must they not have cross-multiplied? 	must I not have been cross-multiplying?
must you not have been cross-multiplying?
must he not have been cross-multiplying?
must we not have been cross-multiplying?
must you not have been cross-multiplying?
must they not have been cross-multiplying?