could plank
Verbe régulier : plank - planked- planked
Traduction française : planchéier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could plank
you could plank
she could plank
we could plank
you could plank
they could plank 	I could be planking
you could be planking
she could be planking
we could be planking
you could be planking
they could be planking	I could have planked
you could have planked
she could have planked
we could have planked
you could have planked
they could have planked	I could have been planking
you could have been planking
she could have been planking
we could have been planking
you could have been planking
they could have been planking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not plank
you could not plank
she could not plank
we could not plank
you could not plank
they could not plank 	I could not be planking
you could not be planking
she could not be planking
we could not be planking
you could not be planking
they could not be planking	I could not have planked
you could not have planked
she could not have planked
we could not have planked
you could not have planked
they could not have planked	I could not have been planking
you could not have been planking
she could not have been planking
we could not have been planking
you could not have been planking
they could not have been planking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I plank?
could you plank?
could she plank?
could we plank?
could you plank?
could they plank? 	could I be planking?
could you be planking?
could she be planking?
could we be planking?
could you be planking?
could they be planking? 	could I have planked?
could you have planked?
could she have planked?
could we have planked?
could you have planked?
could they have planked? 	could I have been planking?
could you have been planking?
could she have been planking?
could we have been planking?
could you have been planking?
could they have been planking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not plank?
could you not plank?
could she not plank?
could we not plank?
could you not plank?
could they not plank? 	could I not be planking?
could you not be planking?
could she not be planking?
could we not be planking?
could you not be planking?
could they not be planking? 	could I not have planked?
could you not have planked?
could she not have planked?
could we not have planked?
could you not have planked?
could they not have planked? 	could I not have been planking?
could you not have been planking?
could she not have been planking?
could we not have been planking?
could you not have been planking?
could they not have been planking?