must orient
Verbo regular: orient - oriented- oriented

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must orient
you must orient
he must orient
we must orient
you must orient
they must orient 	I must be orienting
you must be orienting
he must be orienting
we must be orienting
you must be orienting
they must be orienting	I must have oriented
you must have oriented
he must have oriented
we must have oriented
you must have oriented
they must have oriented	I must have been orienting
you must have been orienting
he must have been orienting
we must have been orienting
you must have been orienting
they must have been orienting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not orient
you must not orient
he must not orient
we must not orient
you must not orient
they must not orient 	I must not be orienting
you must not be orienting
he must not be orienting
we must not be orienting
you must not be orienting
they must not be orienting	I must not have oriented
you must not have oriented
he must not have oriented
we must not have oriented
you must not have oriented
they must not have oriented	I must not have been orienting
you must not have been orienting
he must not have been orienting
we must not have been orienting
you must not have been orienting
they must not have been orienting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I orient?
must you orient?
must he orient?
must we orient?
must you orient?
must they orient? 	must I be orienting?
must you be orienting?
must he be orienting?
must we be orienting?
must you be orienting?
must they be orienting? 	must I have oriented?
must you have oriented?
must he have oriented?
must we have oriented?
must you have oriented?
must they have oriented? 	must I have been orienting?
must you have been orienting?
must he have been orienting?
must we have been orienting?
must you have been orienting?
must they have been orienting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not orient?
must you not orient?
must he not orient?
must we not orient?
must you not orient?
must they not orient? 	must I not be orienting?
must you not be orienting?
must he not be orienting?
must we not be orienting?
must you not be orienting?
must they not be orienting? 	must I not have oriented?
must you not have oriented?
must he not have oriented?
must we not have oriented?
must you not have oriented?
must they not have oriented? 	must I not have been orienting?
must you not have been orienting?
must he not have been orienting?
must we not have been orienting?
must you not have been orienting?
must they not have been orienting?