could alleviate
Regular verb: alleviate - alleviated- alleviated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could alleviate
you could alleviate
he could alleviate
we could alleviate
you could alleviate
they could alleviate 	I could be alleviating
you could be alleviating
he could be alleviating
we could be alleviating
you could be alleviating
they could be alleviating	I could have alleviated
you could have alleviated
he could have alleviated
we could have alleviated
you could have alleviated
they could have alleviated	I could have been alleviating
you could have been alleviating
he could have been alleviating
we could have been alleviating
you could have been alleviating
they could have been alleviating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not alleviate
you could not alleviate
he could not alleviate
we could not alleviate
you could not alleviate
they could not alleviate 	I could not be alleviating
you could not be alleviating
he could not be alleviating
we could not be alleviating
you could not be alleviating
they could not be alleviating	I could not have alleviated
you could not have alleviated
he could not have alleviated
we could not have alleviated
you could not have alleviated
they could not have alleviated	I could not have been alleviating
you could not have been alleviating
he could not have been alleviating
we could not have been alleviating
you could not have been alleviating
they could not have been alleviating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I alleviate?
could you alleviate?
could he alleviate?
could we alleviate?
could you alleviate?
could they alleviate? 	could I be alleviating?
could you be alleviating?
could he be alleviating?
could we be alleviating?
could you be alleviating?
could they be alleviating? 	could I have alleviated?
could you have alleviated?
could he have alleviated?
could we have alleviated?
could you have alleviated?
could they have alleviated? 	could I have been alleviating?
could you have been alleviating?
could he have been alleviating?
could we have been alleviating?
could you have been alleviating?
could they have been alleviating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not alleviate?
could you not alleviate?
could he not alleviate?
could we not alleviate?
could you not alleviate?
could they not alleviate? 	could I not be alleviating?
could you not be alleviating?
could he not be alleviating?
could we not be alleviating?
could you not be alleviating?
could they not be alleviating? 	could I not have alleviated?
could you not have alleviated?
could he not have alleviated?
could we not have alleviated?
could you not have alleviated?
could they not have alleviated? 	could I not have been alleviating?
could you not have been alleviating?
could he not have been alleviating?
could we not have been alleviating?
could you not have been alleviating?
could they not have been alleviating?