can quail
Verbe régulier : quail - quailed- quailed
Traduction française : trembler - perdre courage 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can quail
you can quail
he can quail
we can quail
you can quail
they can quail 	I can be quailing
you can be quailing
he can be quailing
we can be quailing
you can be quailing
they can be quailing	I can have quailed
you can have quailed
he can have quailed
we can have quailed
you can have quailed
they can have quailed	I can have been quailing
you can have been quailing
he can have been quailing
we can have been quailing
you can have been quailing
they can have been quailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't quail
you can't quail
he can't quail
we can't quail
you can't quail
they can't quail 	I can't be quailing
you can't be quailing
he can't be quailing
we can't be quailing
you can't be quailing
they can't be quailing	I can't have quailed
you can't have quailed
he can't have quailed
we can't have quailed
you can't have quailed
they can't have quailed	I can't have been quailing
you can't have been quailing
he can't have been quailing
we can't have been quailing
you can't have been quailing
they can't have been quailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I quail?
can you quail?
can he quail?
can we quail?
can you quail?
can they quail? 	can I be quailing?
can you be quailing?
can he be quailing?
can we be quailing?
can you be quailing?
can they be quailing? 	can I have quailed?
can you have quailed?
can he have quailed?
can we have quailed?
can you have quailed?
can they have quailed? 	can I have been quailing?
can you have been quailing?
can he have been quailing?
can we have been quailing?
can you have been quailing?
can they have been quailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I quail?
can't you quail?
can't he quail?
can't we quail?
can't you quail?
can't they quail? 	can't I be quailing?
can't you be quailing?
can't he be quailing?
can't we be quailing?
can't you be quailing?
can't they be quailing? 	can't I have quailed?
can't you have quailed?
can't he have quailed?
can't we have quailed?
can't you have quailed?
can't they have quailed? 	can't I have been quailing?
can't you have been quailing?
can't he have been quailing?
can't we have been quailing?
can't you have been quailing?
can't they have been quailing?