could strum
Verbe régulier : strum - strummed- strummed
Traduction française : gratter sur - gratter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could strum
you could strum
he could strum
we could strum
you could strum
they could strum 	I could be strumming
you could be strumming
he could be strumming
we could be strumming
you could be strumming
they could be strumming	I could have strummed
you could have strummed
he could have strummed
we could have strummed
you could have strummed
they could have strummed	I could have been strumming
you could have been strumming
he could have been strumming
we could have been strumming
you could have been strumming
they could have been strumming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not strum
you could not strum
he could not strum
we could not strum
you could not strum
they could not strum 	I could not be strumming
you could not be strumming
he could not be strumming
we could not be strumming
you could not be strumming
they could not be strumming	I could not have strummed
you could not have strummed
he could not have strummed
we could not have strummed
you could not have strummed
they could not have strummed	I could not have been strumming
you could not have been strumming
he could not have been strumming
we could not have been strumming
you could not have been strumming
they could not have been strumming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I strum?
could you strum?
could he strum?
could we strum?
could you strum?
could they strum? 	could I be strumming?
could you be strumming?
could he be strumming?
could we be strumming?
could you be strumming?
could they be strumming? 	could I have strummed?
could you have strummed?
could he have strummed?
could we have strummed?
could you have strummed?
could they have strummed? 	could I have been strumming?
could you have been strumming?
could he have been strumming?
could we have been strumming?
could you have been strumming?
could they have been strumming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not strum?
could you not strum?
could he not strum?
could we not strum?
could you not strum?
could they not strum? 	could I not be strumming?
could you not be strumming?
could he not be strumming?
could we not be strumming?
could you not be strumming?
could they not be strumming? 	could I not have strummed?
could you not have strummed?
could he not have strummed?
could we not have strummed?
could you not have strummed?
could they not have strummed? 	could I not have been strumming?
could you not have been strumming?
could he not have been strumming?
could we not have been strumming?
could you not have been strumming?
could they not have been strumming?