must orient
Verbo regular: orient - oriented- oriented

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must orient
you must orient
she must orient
we must orient
you must orient
they must orient 	I must be orienting
you must be orienting
she must be orienting
we must be orienting
you must be orienting
they must be orienting	I must have oriented
you must have oriented
she 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
she must have been orienting
we must have been orienting
you must have been orienting
they must have been orienting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not orient
you must not orient
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
must I orient?
must you orient?
must she orient?
must we orient?
must you orient?
must they orient? 	must I be orienting?
must you be orienting?
must she be orienting?
must we be orienting?
must you be orienting?
must they be orienting? 	must I have oriented?
must you have oriented?
must she 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 she have been orienting?
must we have been orienting?
must you have been orienting?
must they have been orienting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not orient?
must you not orient?
must she 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 she 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 she 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 she not have been orienting?
must we not have been orienting?
must you not have been orienting?
must they not have been orienting?