could tail
Verbe régulier : tail - tailed- tailed
Traduction française : suivre - couper la queue à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could tail
you could tail
he could tail
we could tail
you could tail
they could tail 	I could be tailing
you could be tailing
he could be tailing
we could be tailing
you could be tailing
they could be tailing	I could have tailed
you could have tailed
he could have tailed
we could have tailed
you could have tailed
they could have tailed	I could have been tailing
you could have been tailing
he could have been tailing
we could have been tailing
you could have been tailing
they could have been tailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not tail
you could not tail
he could not tail
we could not tail
you could not tail
they could not tail 	I could not be tailing
you could not be tailing
he could not be tailing
we could not be tailing
you could not be tailing
they could not be tailing	I could not have tailed
you could not have tailed
he could not have tailed
we could not have tailed
you could not have tailed
they could not have tailed	I could not have been tailing
you could not have been tailing
he could not have been tailing
we could not have been tailing
you could not have been tailing
they could not have been tailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I tail?
could you tail?
could he tail?
could we tail?
could you tail?
could they tail? 	could I be tailing?
could you be tailing?
could he be tailing?
could we be tailing?
could you be tailing?
could they be tailing? 	could I have tailed?
could you have tailed?
could he have tailed?
could we have tailed?
could you have tailed?
could they have tailed? 	could I have been tailing?
could you have been tailing?
could he have been tailing?
could we have been tailing?
could you have been tailing?
could they have been tailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not tail?
could you not tail?
could he not tail?
could we not tail?
could you not tail?
could they not tail? 	could I not be tailing?
could you not be tailing?
could he not be tailing?
could we not be tailing?
could you not be tailing?
could they not be tailing? 	could I not have tailed?
could you not have tailed?
could he not have tailed?
could we not have tailed?
could you not have tailed?
could they not have tailed? 	could I not have been tailing?
could you not have been tailing?
could he not have been tailing?
could we not have been tailing?
could you not have been tailing?
could they not have been tailing?