could wrinkle
Verbo regolare: wrinkle - wrinkled- wrinkled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could wrinkle
you could wrinkle
he could wrinkle
we could wrinkle
you could wrinkle
they could wrinkle 	I could be wrinkling
you could be wrinkling
he could be wrinkling
we could be wrinkling
you could be wrinkling
they could be wrinkling	I could have wrinkled
you could have wrinkled
he could have wrinkled
we could have wrinkled
you could have wrinkled
they could have wrinkled	I could have been wrinkling
you could have been wrinkling
he could have been wrinkling
we could have been wrinkling
you could have been wrinkling
they could have been wrinkling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not wrinkle
you could not wrinkle
he could not wrinkle
we could not wrinkle
you could not wrinkle
they could not wrinkle 	I could not be wrinkling
you could not be wrinkling
he could not be wrinkling
we could not be wrinkling
you could not be wrinkling
they could not be wrinkling	I could not have wrinkled
you could not have wrinkled
he could not have wrinkled
we could not have wrinkled
you could not have wrinkled
they could not have wrinkled	I could not have been wrinkling
you could not have been wrinkling
he could not have been wrinkling
we could not have been wrinkling
you could not have been wrinkling
they could not have been wrinkling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I wrinkle?
could you wrinkle?
could he wrinkle?
could we wrinkle?
could you wrinkle?
could they wrinkle? 	could I be wrinkling?
could you be wrinkling?
could he be wrinkling?
could we be wrinkling?
could you be wrinkling?
could they be wrinkling? 	could I have wrinkled?
could you have wrinkled?
could he have wrinkled?
could we have wrinkled?
could you have wrinkled?
could they have wrinkled? 	could I have been wrinkling?
could you have been wrinkling?
could he have been wrinkling?
could we have been wrinkling?
could you have been wrinkling?
could they have been wrinkling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not wrinkle?
could you not wrinkle?
could he not wrinkle?
could we not wrinkle?
could you not wrinkle?
could they not wrinkle? 	could I not be wrinkling?
could you not be wrinkling?
could he not be wrinkling?
could we not be wrinkling?
could you not be wrinkling?
could they not be wrinkling? 	could I not have wrinkled?
could you not have wrinkled?
could he not have wrinkled?
could we not have wrinkled?
could you not have wrinkled?
could they not have wrinkled? 	could I not have been wrinkling?
could you not have been wrinkling?
could he not have been wrinkling?
could we not have been wrinkling?
could you not have been wrinkling?
could they not have been wrinkling?