could crinkle
Verbo regolare: crinkle - crinkled- crinkled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could crinkle
you could crinkle
he could crinkle
we could crinkle
you could crinkle
they could crinkle 	I could be crinkling
you could be crinkling
he could be crinkling
we could be crinkling
you could be crinkling
they could be crinkling	I could have crinkled
you could have crinkled
he could have crinkled
we could have crinkled
you could have crinkled
they could have crinkled	I could have been crinkling
you could have been crinkling
he could have been crinkling
we could have been crinkling
you could have been crinkling
they could have been crinkling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not crinkle
you could not crinkle
he could not crinkle
we could not crinkle
you could not crinkle
they could not crinkle 	I could not be crinkling
you could not be crinkling
he could not be crinkling
we could not be crinkling
you could not be crinkling
they could not be crinkling	I could not have crinkled
you could not have crinkled
he could not have crinkled
we could not have crinkled
you could not have crinkled
they could not have crinkled	I could not have been crinkling
you could not have been crinkling
he could not have been crinkling
we could not have been crinkling
you could not have been crinkling
they could not have been crinkling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I crinkle?
could you crinkle?
could he crinkle?
could we crinkle?
could you crinkle?
could they crinkle? 	could I be crinkling?
could you be crinkling?
could he be crinkling?
could we be crinkling?
could you be crinkling?
could they be crinkling? 	could I have crinkled?
could you have crinkled?
could he have crinkled?
could we have crinkled?
could you have crinkled?
could they have crinkled? 	could I have been crinkling?
could you have been crinkling?
could he have been crinkling?
could we have been crinkling?
could you have been crinkling?
could they have been crinkling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not crinkle?
could you not crinkle?
could he not crinkle?
could we not crinkle?
could you not crinkle?
could they not crinkle? 	could I not be crinkling?
could you not be crinkling?
could he not be crinkling?
could we not be crinkling?
could you not be crinkling?
could they not be crinkling? 	could I not have crinkled?
could you not have crinkled?
could he not have crinkled?
could we not have crinkled?
could you not have crinkled?
could they not have crinkled? 	could I not have been crinkling?
could you not have been crinkling?
could he not have been crinkling?
could we not have been crinkling?
could you not have been crinkling?
could they not have been crinkling?