could kiln
Regular verb: kiln - kilned- kilned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could kiln
you could kiln
he could kiln
we could kiln
you could kiln
they could kiln 	I could be kilning
you could be kilning
he could be kilning
we could be kilning
you could be kilning
they could be kilning	I could have kilned
you could have kilned
he could have kilned
we could have kilned
you could have kilned
they could have kilned	I could have been kilning
you could have been kilning
he could have been kilning
we could have been kilning
you could have been kilning
they could have been kilning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't kiln
you couldn't kiln
he couldn't kiln
we couldn't kiln
you couldn't kiln
they couldn't kiln 	I couldn't be kilning
you couldn't be kilning
he couldn't be kilning
we couldn't be kilning
you couldn't be kilning
they couldn't be kilning	I couldn't have kilned
you couldn't have kilned
he couldn't have kilned
we couldn't have kilned
you couldn't have kilned
they couldn't have kilned	I couldn't have been kilning
you couldn't have been kilning
he couldn't have been kilning
we couldn't have been kilning
you couldn't have been kilning
they couldn't have been kilning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I kiln?
could you kiln?
could he kiln?
could we kiln?
could you kiln?
could they kiln? 	could I be kilning?
could you be kilning?
could he be kilning?
could we be kilning?
could you be kilning?
could they be kilning? 	could I have kilned?
could you have kilned?
could he have kilned?
could we have kilned?
could you have kilned?
could they have kilned? 	could I have been kilning?
could you have been kilning?
could he have been kilning?
could we have been kilning?
could you have been kilning?
could they have been kilning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I kiln?
couldn't you kiln?
couldn't he kiln?
couldn't we kiln?
couldn't you kiln?
couldn't they kiln? 	couldn't I be kilning?
couldn't you be kilning?
couldn't he be kilning?
couldn't we be kilning?
couldn't you be kilning?
couldn't they be kilning? 	couldn't I have kilned?
couldn't you have kilned?
couldn't he have kilned?
couldn't we have kilned?
couldn't you have kilned?
couldn't they have kilned? 	couldn't I have been kilning?
couldn't you have been kilning?
couldn't he have been kilning?
couldn't we have been kilning?
couldn't you have been kilning?
couldn't they have been kilning?