must crow
Verbe régulier : crow - crowed- crowed
Traduction française : chanter - gazouiller 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must crow
you must crow
she must crow
we must crow
you must crow
they must crow 	I must be crowing
you must be crowing
she must be crowing
we must be crowing
you must be crowing
they must be crowing	I must have crowed
you must have crowed
she must have crowed
we must have crowed
you must have crowed
they must have crowed	I must have been crowing
you must have been crowing
she must have been crowing
we must have been crowing
you must have been crowing
they must have been crowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't crow
you mustn't crow
she mustn't crow
we mustn't crow
you mustn't crow
they mustn't crow 	I mustn't be crowing
you mustn't be crowing
she mustn't be crowing
we mustn't be crowing
you mustn't be crowing
they mustn't be crowing	I mustn't have crowed
you mustn't have crowed
she mustn't have crowed
we mustn't have crowed
you mustn't have crowed
they mustn't have crowed	I mustn't have been crowing
you mustn't have been crowing
she mustn't have been crowing
we mustn't have been crowing
you mustn't have been crowing
they mustn't have been crowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I crow?
must you crow?
must she crow?
must we crow?
must you crow?
must they crow? 	must I be crowing?
must you be crowing?
must she be crowing?
must we be crowing?
must you be crowing?
must they be crowing? 	must I have crowed?
must you have crowed?
must she have crowed?
must we have crowed?
must you have crowed?
must they have crowed? 	must I have been crowing?
must you have been crowing?
must she have been crowing?
must we have been crowing?
must you have been crowing?
must they have been crowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I crow?
mustn't you crow?
mustn't she crow?
mustn't we crow?
mustn't you crow?
mustn't they crow? 	mustn't I be crowing?
mustn't you be crowing?
mustn't she be crowing?
mustn't we be crowing?
mustn't you be crowing?
mustn't they be crowing? 	mustn't I have crowed?
mustn't you have crowed?
mustn't she have crowed?
mustn't we have crowed?
mustn't you have crowed?
mustn't they have crowed? 	mustn't I have been crowing?
mustn't you have been crowing?
mustn't she have been crowing?
mustn't we have been crowing?
mustn't you have been crowing?
mustn't they have been crowing?