could orient
Regular verb: orient - oriented- oriented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could orient
you could orient
she could orient
we could orient
you could orient
they could orient 	I could be orienting
you could be orienting
she could be orienting
we could be orienting
you could be orienting
they could be orienting	I could have oriented
you could have oriented
she could have oriented
we could have oriented
you could have oriented
they could have oriented	I could have been orienting
you could have been orienting
she could have been orienting
we could have been orienting
you could have been orienting
they could have been orienting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not orient
you could not orient
she could not orient
we could not orient
you could not orient
they could not orient 	I could not be orienting
you could not be orienting
she could not be orienting
we could not be orienting
you could not be orienting
they could not be orienting	I could not have oriented
you could not have oriented
she could not have oriented
we could not have oriented
you could not have oriented
they could not have oriented	I could not have been orienting
you could not have been orienting
she could not have been orienting
we could not have been orienting
you could not have been orienting
they could not have been orienting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I orient?
could you orient?
could she orient?
could we orient?
could you orient?
could they orient? 	could I be orienting?
could you be orienting?
could she be orienting?
could we be orienting?
could you be orienting?
could they be orienting? 	could I have oriented?
could you have oriented?
could she have oriented?
could we have oriented?
could you have oriented?
could they have oriented? 	could I have been orienting?
could you have been orienting?
could she have been orienting?
could we have been orienting?
could you have been orienting?
could they have been orienting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not orient?
could you not orient?
could she not orient?
could we not orient?
could you not orient?
could they not orient? 	could I not be orienting?
could you not be orienting?
could she not be orienting?
could we not be orienting?
could you not be orienting?
could they not be orienting? 	could I not have oriented?
could you not have oriented?
could she not have oriented?
could we not have oriented?
could you not have oriented?
could they not have oriented? 	could I not have been orienting?
could you not have been orienting?
could she not have been orienting?
could we not have been orienting?
could you not have been orienting?
could they not have been orienting?