must narrow
Verbe régulier : narrow - narrowed- narrowed
Traduction française : rétrécir - se rétrécir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must narrow
you must narrow
she must narrow
we must narrow
you must narrow
they must narrow 	I must be narrowing
you must be narrowing
she must be narrowing
we must be narrowing
you must be narrowing
they must be narrowing	I must have narrowed
you must have narrowed
she must have narrowed
we must have narrowed
you must have narrowed
they must have narrowed	I must have been narrowing
you must have been narrowing
she must have been narrowing
we must have been narrowing
you must have been narrowing
they must have been narrowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't narrow
you mustn't narrow
she mustn't narrow
we mustn't narrow
you mustn't narrow
they mustn't narrow 	I mustn't be narrowing
you mustn't be narrowing
she mustn't be narrowing
we mustn't be narrowing
you mustn't be narrowing
they mustn't be narrowing	I mustn't have narrowed
you mustn't have narrowed
she mustn't have narrowed
we mustn't have narrowed
you mustn't have narrowed
they mustn't have narrowed	I mustn't have been narrowing
you mustn't have been narrowing
she mustn't have been narrowing
we mustn't have been narrowing
you mustn't have been narrowing
they mustn't have been narrowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I narrow?
must you narrow?
must she narrow?
must we narrow?
must you narrow?
must they narrow? 	must I be narrowing?
must you be narrowing?
must she be narrowing?
must we be narrowing?
must you be narrowing?
must they be narrowing? 	must I have narrowed?
must you have narrowed?
must she have narrowed?
must we have narrowed?
must you have narrowed?
must they have narrowed? 	must I have been narrowing?
must you have been narrowing?
must she have been narrowing?
must we have been narrowing?
must you have been narrowing?
must they have been narrowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I narrow?
mustn't you narrow?
mustn't she narrow?
mustn't we narrow?
mustn't you narrow?
mustn't they narrow? 	mustn't I be narrowing?
mustn't you be narrowing?
mustn't she be narrowing?
mustn't we be narrowing?
mustn't you be narrowing?
mustn't they be narrowing? 	mustn't I have narrowed?
mustn't you have narrowed?
mustn't she have narrowed?
mustn't we have narrowed?
mustn't you have narrowed?
mustn't they have narrowed? 	mustn't I have been narrowing?
mustn't you have been narrowing?
mustn't she have been narrowing?
mustn't we have been narrowing?
mustn't you have been narrowing?
mustn't they have been narrowing?