could iris
Regular verb: iris - irised- irised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could iris
you could iris
she could iris
we could iris
you could iris
they could iris 	I could be irising
you could be irising
she could be irising
we could be irising
you could be irising
they could be irising	I could have irised
you could have irised
she could have irised
we could have irised
you could have irised
they could have irised	I could have been irising
you could have been irising
she could have been irising
we could have been irising
you could have been irising
they could have been irising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't iris
you couldn't iris
she couldn't iris
we couldn't iris
you couldn't iris
they couldn't iris 	I couldn't be irising
you couldn't be irising
she couldn't be irising
we couldn't be irising
you couldn't be irising
they couldn't be irising	I couldn't have irised
you couldn't have irised
she couldn't have irised
we couldn't have irised
you couldn't have irised
they couldn't have irised	I couldn't have been irising
you couldn't have been irising
she couldn't have been irising
we couldn't have been irising
you couldn't have been irising
they couldn't have been irising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I iris?
could you iris?
could she iris?
could we iris?
could you iris?
could they iris? 	could I be irising?
could you be irising?
could she be irising?
could we be irising?
could you be irising?
could they be irising? 	could I have irised?
could you have irised?
could she have irised?
could we have irised?
could you have irised?
could they have irised? 	could I have been irising?
could you have been irising?
could she have been irising?
could we have been irising?
could you have been irising?
could they have been irising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I iris?
couldn't you iris?
couldn't she iris?
couldn't we iris?
couldn't you iris?
couldn't they iris? 	couldn't I be irising?
couldn't you be irising?
couldn't she be irising?
couldn't we be irising?
couldn't you be irising?
couldn't they be irising? 	couldn't I have irised?
couldn't you have irised?
couldn't she have irised?
couldn't we have irised?
couldn't you have irised?
couldn't they have irised? 	couldn't I have been irising?
couldn't you have been irising?
couldn't she have been irising?
couldn't we have been irising?
couldn't you have been irising?
couldn't they have been irising?