could skank
Verbe régulier : skank - skanked- skanked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could skank
you could skank
he could skank
we could skank
you could skank
they could skank 	I could be skanking
you could be skanking
he could be skanking
we could be skanking
you could be skanking
they could be skanking	I could have skanked
you could have skanked
he could have skanked
we could have skanked
you could have skanked
they could have skanked	I could have been skanking
you could have been skanking
he could have been skanking
we could have been skanking
you could have been skanking
they could have been skanking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not skank
you could not skank
he could not skank
we could not skank
you could not skank
they could not skank 	I could not be skanking
you could not be skanking
he could not be skanking
we could not be skanking
you could not be skanking
they could not be skanking	I could not have skanked
you could not have skanked
he could not have skanked
we could not have skanked
you could not have skanked
they could not have skanked	I could not have been skanking
you could not have been skanking
he could not have been skanking
we could not have been skanking
you could not have been skanking
they could not have been skanking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I skank?
could you skank?
could he skank?
could we skank?
could you skank?
could they skank? 	could I be skanking?
could you be skanking?
could he be skanking?
could we be skanking?
could you be skanking?
could they be skanking? 	could I have skanked?
could you have skanked?
could he have skanked?
could we have skanked?
could you have skanked?
could they have skanked? 	could I have been skanking?
could you have been skanking?
could he have been skanking?
could we have been skanking?
could you have been skanking?
could they have been skanking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not skank?
could you not skank?
could he not skank?
could we not skank?
could you not skank?
could they not skank? 	could I not be skanking?
could you not be skanking?
could he not be skanking?
could we not be skanking?
could you not be skanking?
could they not be skanking? 	could I not have skanked?
could you not have skanked?
could he not have skanked?
could we not have skanked?
could you not have skanked?
could they not have skanked? 	could I not have been skanking?
could you not have been skanking?
could he not have been skanking?
could we not have been skanking?
could you not have been skanking?
could they not have been skanking?