could crankle
Regular verb: crankle - crankled- crankled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could crankle
you could crankle
he could crankle
we could crankle
you could crankle
they could crankle 	I could be crankling
you could be crankling
he could be crankling
we could be crankling
you could be crankling
they could be crankling	I could have crankled
you could have crankled
he could have crankled
we could have crankled
you could have crankled
they could have crankled	I could have been crankling
you could have been crankling
he could have been crankling
we could have been crankling
you could have been crankling
they could have been crankling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not crankle
you could not crankle
he could not crankle
we could not crankle
you could not crankle
they could not crankle 	I could not be crankling
you could not be crankling
he could not be crankling
we could not be crankling
you could not be crankling
they could not be crankling	I could not have crankled
you could not have crankled
he could not have crankled
we could not have crankled
you could not have crankled
they could not have crankled	I could not have been crankling
you could not have been crankling
he could not have been crankling
we could not have been crankling
you could not have been crankling
they could not have been crankling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I crankle?
could you crankle?
could he crankle?
could we crankle?
could you crankle?
could they crankle? 	could I be crankling?
could you be crankling?
could he be crankling?
could we be crankling?
could you be crankling?
could they be crankling? 	could I have crankled?
could you have crankled?
could he have crankled?
could we have crankled?
could you have crankled?
could they have crankled? 	could I have been crankling?
could you have been crankling?
could he have been crankling?
could we have been crankling?
could you have been crankling?
could they have been crankling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not crankle?
could you not crankle?
could he not crankle?
could we not crankle?
could you not crankle?
could they not crankle? 	could I not be crankling?
could you not be crankling?
could he not be crankling?
could we not be crankling?
could you not be crankling?
could they not be crankling? 	could I not have crankled?
could you not have crankled?
could he not have crankled?
could we not have crankled?
could you not have crankled?
could they not have crankled? 	could I not have been crankling?
could you not have been crankling?
could he not have been crankling?
could we not have been crankling?
could you not have been crankling?
could they not have been crankling?