could irk
Regular verb: irk - irked- irked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could irk
you could irk
he could irk
we could irk
you could irk
they could irk 	I could be irking
you could be irking
he could be irking
we could be irking
you could be irking
they could be irking	I could have irked
you could have irked
he could have irked
we could have irked
you could have irked
they could have irked	I could have been irking
you could have been irking
he could have been irking
we could have been irking
you could have been irking
they could have been irking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't irk
you couldn't irk
he couldn't irk
we couldn't irk
you couldn't irk
they couldn't irk 	I couldn't be irking
you couldn't be irking
he couldn't be irking
we couldn't be irking
you couldn't be irking
they couldn't be irking	I couldn't have irked
you couldn't have irked
he couldn't have irked
we couldn't have irked
you couldn't have irked
they couldn't have irked	I couldn't have been irking
you couldn't have been irking
he couldn't have been irking
we couldn't have been irking
you couldn't have been irking
they couldn't have been irking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I irk?
could you irk?
could he irk?
could we irk?
could you irk?
could they irk? 	could I be irking?
could you be irking?
could he be irking?
could we be irking?
could you be irking?
could they be irking? 	could I have irked?
could you have irked?
could he have irked?
could we have irked?
could you have irked?
could they have irked? 	could I have been irking?
could you have been irking?
could he have been irking?
could we have been irking?
could you have been irking?
could they have been irking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I irk?
couldn't you irk?
couldn't he irk?
couldn't we irk?
couldn't you irk?
couldn't they irk? 	couldn't I be irking?
couldn't you be irking?
couldn't he be irking?
couldn't we be irking?
couldn't you be irking?
couldn't they be irking? 	couldn't I have irked?
couldn't you have irked?
couldn't he have irked?
couldn't we have irked?
couldn't you have irked?
couldn't they have irked? 	couldn't I have been irking?
couldn't you have been irking?
couldn't he have been irking?
couldn't we have been irking?
couldn't you have been irking?
couldn't they have been irking?