could relieve
Regular verb: relieve - relieved- relieved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could relieve
you could relieve
she could relieve
we could relieve
you could relieve
they could relieve 	I could be relieving
you could be relieving
she could be relieving
we could be relieving
you could be relieving
they could be relieving	I could have relieved
you could have relieved
she could have relieved
we could have relieved
you could have relieved
they could have relieved	I could have been relieving
you could have been relieving
she could have been relieving
we could have been relieving
you could have been relieving
they could have been relieving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't relieve
you couldn't relieve
she couldn't relieve
we couldn't relieve
you couldn't relieve
they couldn't relieve 	I couldn't be relieving
you couldn't be relieving
she couldn't be relieving
we couldn't be relieving
you couldn't be relieving
they couldn't be relieving	I couldn't have relieved
you couldn't have relieved
she couldn't have relieved
we couldn't have relieved
you couldn't have relieved
they couldn't have relieved	I couldn't have been relieving
you couldn't have been relieving
she couldn't have been relieving
we couldn't have been relieving
you couldn't have been relieving
they couldn't have been relieving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I relieve?
could you relieve?
could she relieve?
could we relieve?
could you relieve?
could they relieve? 	could I be relieving?
could you be relieving?
could she be relieving?
could we be relieving?
could you be relieving?
could they be relieving? 	could I have relieved?
could you have relieved?
could she have relieved?
could we have relieved?
could you have relieved?
could they have relieved? 	could I have been relieving?
could you have been relieving?
could she have been relieving?
could we have been relieving?
could you have been relieving?
could they have been relieving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I relieve?
couldn't you relieve?
couldn't she relieve?
couldn't we relieve?
couldn't you relieve?
couldn't they relieve? 	couldn't I be relieving?
couldn't you be relieving?
couldn't she be relieving?
couldn't we be relieving?
couldn't you be relieving?
couldn't they be relieving? 	couldn't I have relieved?
couldn't you have relieved?
couldn't she have relieved?
couldn't we have relieved?
couldn't you have relieved?
couldn't they have relieved? 	couldn't I have been relieving?
couldn't you have been relieving?
couldn't she have been relieving?
couldn't we have been relieving?
couldn't you have been relieving?
couldn't they have been relieving?