could fishtail
Verbe régulier : fishtail - fishtailed- fishtailed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could fishtail
you could fishtail
he could fishtail
we could fishtail
you could fishtail
they could fishtail 	I could be fishtailing
you could be fishtailing
he could be fishtailing
we could be fishtailing
you could be fishtailing
they could be fishtailing	I could have fishtailed
you could have fishtailed
he could have fishtailed
we could have fishtailed
you could have fishtailed
they could have fishtailed	I could have been fishtailing
you could have been fishtailing
he could have been fishtailing
we could have been fishtailing
you could have been fishtailing
they could have been fishtailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't fishtail
you couldn't fishtail
he couldn't fishtail
we couldn't fishtail
you couldn't fishtail
they couldn't fishtail 	I couldn't be fishtailing
you couldn't be fishtailing
he couldn't be fishtailing
we couldn't be fishtailing
you couldn't be fishtailing
they couldn't be fishtailing	I couldn't have fishtailed
you couldn't have fishtailed
he couldn't have fishtailed
we couldn't have fishtailed
you couldn't have fishtailed
they couldn't have fishtailed	I couldn't have been fishtailing
you couldn't have been fishtailing
he couldn't have been fishtailing
we couldn't have been fishtailing
you couldn't have been fishtailing
they couldn't have been fishtailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I fishtail?
could you fishtail?
could he fishtail?
could we fishtail?
could you fishtail?
could they fishtail? 	could I be fishtailing?
could you be fishtailing?
could he be fishtailing?
could we be fishtailing?
could you be fishtailing?
could they be fishtailing? 	could I have fishtailed?
could you have fishtailed?
could he have fishtailed?
could we have fishtailed?
could you have fishtailed?
could they have fishtailed? 	could I have been fishtailing?
could you have been fishtailing?
could he have been fishtailing?
could we have been fishtailing?
could you have been fishtailing?
could they have been fishtailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I fishtail?
couldn't you fishtail?
couldn't he fishtail?
couldn't we fishtail?
couldn't you fishtail?
couldn't they fishtail? 	couldn't I be fishtailing?
couldn't you be fishtailing?
couldn't he be fishtailing?
couldn't we be fishtailing?
couldn't you be fishtailing?
couldn't they be fishtailing? 	couldn't I have fishtailed?
couldn't you have fishtailed?
couldn't he have fishtailed?
couldn't we have fishtailed?
couldn't you have fishtailed?
couldn't they have fishtailed? 	couldn't I have been fishtailing?
couldn't you have been fishtailing?
couldn't he have been fishtailing?
couldn't we have been fishtailing?
couldn't you have been fishtailing?
couldn't they have been fishtailing?