could deviate
Regular verb: deviate - deviated- deviated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deviate
you could deviate
she could deviate
we could deviate
you could deviate
they could deviate 	I could be deviating
you could be deviating
she could be deviating
we could be deviating
you could be deviating
they could be deviating	I could have deviated
you could have deviated
she could have deviated
we could have deviated
you could have deviated
they could have deviated	I could have been deviating
you could have been deviating
she could have been deviating
we could have been deviating
you could have been deviating
they could have been deviating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not deviate
you could not deviate
she could not deviate
we could not deviate
you could not deviate
they could not deviate 	I could not be deviating
you could not be deviating
she could not be deviating
we could not be deviating
you could not be deviating
they could not be deviating	I could not have deviated
you could not have deviated
she could not have deviated
we could not have deviated
you could not have deviated
they could not have deviated	I could not have been deviating
you could not have been deviating
she could not have been deviating
we could not have been deviating
you could not have been deviating
they could not have been deviating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deviate?
could you deviate?
could she deviate?
could we deviate?
could you deviate?
could they deviate? 	could I be deviating?
could you be deviating?
could she be deviating?
could we be deviating?
could you be deviating?
could they be deviating? 	could I have deviated?
could you have deviated?
could she have deviated?
could we have deviated?
could you have deviated?
could they have deviated? 	could I have been deviating?
could you have been deviating?
could she have been deviating?
could we have been deviating?
could you have been deviating?
could they have been deviating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not deviate?
could you not deviate?
could she not deviate?
could we not deviate?
could you not deviate?
could they not deviate? 	could I not be deviating?
could you not be deviating?
could she not be deviating?
could we not be deviating?
could you not be deviating?
could they not be deviating? 	could I not have deviated?
could you not have deviated?
could she not have deviated?
could we not have deviated?
could you not have deviated?
could they not have deviated? 	could I not have been deviating?
could you not have been deviating?
could she not have been deviating?
could we not have been deviating?
could you not have been deviating?
could they not have been deviating?