must fishtail
Verbe régulier : fishtail - fishtailed- fishtailed

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

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

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

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