could tailspin
Verbe régulier : tailspin - tailspined- tailspined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could tailspin
you could tailspin
he could tailspin
we could tailspin
you could tailspin
they could tailspin 	I could be tailspining
you could be tailspining
he could be tailspining
we could be tailspining
you could be tailspining
they could be tailspining	I could have tailspined
you could have tailspined
he could have tailspined
we could have tailspined
you could have tailspined
they could have tailspined	I could have been tailspining
you could have been tailspining
he could have been tailspining
we could have been tailspining
you could have been tailspining
they could have been tailspining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't tailspin
you couldn't tailspin
he couldn't tailspin
we couldn't tailspin
you couldn't tailspin
they couldn't tailspin 	I couldn't be tailspining
you couldn't be tailspining
he couldn't be tailspining
we couldn't be tailspining
you couldn't be tailspining
they couldn't be tailspining	I couldn't have tailspined
you couldn't have tailspined
he couldn't have tailspined
we couldn't have tailspined
you couldn't have tailspined
they couldn't have tailspined	I couldn't have been tailspining
you couldn't have been tailspining
he couldn't have been tailspining
we couldn't have been tailspining
you couldn't have been tailspining
they couldn't have been tailspining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I tailspin?
could you tailspin?
could he tailspin?
could we tailspin?
could you tailspin?
could they tailspin? 	could I be tailspining?
could you be tailspining?
could he be tailspining?
could we be tailspining?
could you be tailspining?
could they be tailspining? 	could I have tailspined?
could you have tailspined?
could he have tailspined?
could we have tailspined?
could you have tailspined?
could they have tailspined? 	could I have been tailspining?
could you have been tailspining?
could he have been tailspining?
could we have been tailspining?
could you have been tailspining?
could they have been tailspining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I tailspin?
couldn't you tailspin?
couldn't he tailspin?
couldn't we tailspin?
couldn't you tailspin?
couldn't they tailspin? 	couldn't I be tailspining?
couldn't you be tailspining?
couldn't he be tailspining?
couldn't we be tailspining?
couldn't you be tailspining?
couldn't they be tailspining? 	couldn't I have tailspined?
couldn't you have tailspined?
couldn't he have tailspined?
couldn't we have tailspined?
couldn't you have tailspined?
couldn't they have tailspined? 	couldn't I have been tailspining?
couldn't you have been tailspining?
couldn't he have been tailspining?
couldn't we have been tailspining?
couldn't you have been tailspining?
couldn't they have been tailspining?