could iron
Regular verb: iron - ironed- ironed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could iron
you could iron
she could iron
we could iron
you could iron
they could iron 	I could be ironing
you could be ironing
she could be ironing
we could be ironing
you could be ironing
they could be ironing	I could have ironed
you could have ironed
she could have ironed
we could have ironed
you could have ironed
they could have ironed	I could have been ironing
you could have been ironing
she could have been ironing
we could have been ironing
you could have been ironing
they could have been ironing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not iron
you could not iron
she could not iron
we could not iron
you could not iron
they could not iron 	I could not be ironing
you could not be ironing
she could not be ironing
we could not be ironing
you could not be ironing
they could not be ironing	I could not have ironed
you could not have ironed
she could not have ironed
we could not have ironed
you could not have ironed
they could not have ironed	I could not have been ironing
you could not have been ironing
she could not have been ironing
we could not have been ironing
you could not have been ironing
they could not have been ironing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I iron?
could you iron?
could she iron?
could we iron?
could you iron?
could they iron? 	could I be ironing?
could you be ironing?
could she be ironing?
could we be ironing?
could you be ironing?
could they be ironing? 	could I have ironed?
could you have ironed?
could she have ironed?
could we have ironed?
could you have ironed?
could they have ironed? 	could I have been ironing?
could you have been ironing?
could she have been ironing?
could we have been ironing?
could you have been ironing?
could they have been ironing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not iron?
could you not iron?
could she not iron?
could we not iron?
could you not iron?
could they not iron? 	could I not be ironing?
could you not be ironing?
could she not be ironing?
could we not be ironing?
could you not be ironing?
could they not be ironing? 	could I not have ironed?
could you not have ironed?
could she not have ironed?
could we not have ironed?
could you not have ironed?
could they not have ironed? 	could I not have been ironing?
could you not have been ironing?
could she not have been ironing?
could we not have been ironing?
could you not have been ironing?
could they not have been ironing?