must unstrap
Verbe régulier : unstrap - unstrapped- unstrapped
Traduction française : défaire les sangles de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must unstrap
you must unstrap
she must unstrap
we must unstrap
you must unstrap
they must unstrap 	I must be unstrapping
you must be unstrapping
she must be unstrapping
we must be unstrapping
you must be unstrapping
they must be unstrapping	I must have unstrapped
you must have unstrapped
she must have unstrapped
we must have unstrapped
you must have unstrapped
they must have unstrapped	I must have been unstrapping
you must have been unstrapping
she must have been unstrapping
we must have been unstrapping
you must have been unstrapping
they must have been unstrapping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't unstrap
you mustn't unstrap
she mustn't unstrap
we mustn't unstrap
you mustn't unstrap
they mustn't unstrap 	I mustn't be unstrapping
you mustn't be unstrapping
she mustn't be unstrapping
we mustn't be unstrapping
you mustn't be unstrapping
they mustn't be unstrapping	I mustn't have unstrapped
you mustn't have unstrapped
she mustn't have unstrapped
we mustn't have unstrapped
you mustn't have unstrapped
they mustn't have unstrapped	I mustn't have been unstrapping
you mustn't have been unstrapping
she mustn't have been unstrapping
we mustn't have been unstrapping
you mustn't have been unstrapping
they mustn't have been unstrapping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I unstrap?
must you unstrap?
must she unstrap?
must we unstrap?
must you unstrap?
must they unstrap? 	must I be unstrapping?
must you be unstrapping?
must she be unstrapping?
must we be unstrapping?
must you be unstrapping?
must they be unstrapping? 	must I have unstrapped?
must you have unstrapped?
must she have unstrapped?
must we have unstrapped?
must you have unstrapped?
must they have unstrapped? 	must I have been unstrapping?
must you have been unstrapping?
must she have been unstrapping?
must we have been unstrapping?
must you have been unstrapping?
must they have been unstrapping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I unstrap?
mustn't you unstrap?
mustn't she unstrap?
mustn't we unstrap?
mustn't you unstrap?
mustn't they unstrap? 	mustn't I be unstrapping?
mustn't you be unstrapping?
mustn't she be unstrapping?
mustn't we be unstrapping?
mustn't you be unstrapping?
mustn't they be unstrapping? 	mustn't I have unstrapped?
mustn't you have unstrapped?
mustn't she have unstrapped?
mustn't we have unstrapped?
mustn't you have unstrapped?
mustn't they have unstrapped? 	mustn't I have been unstrapping?
mustn't you have been unstrapping?
mustn't she have been unstrapping?
mustn't we have been unstrapping?
mustn't you have been unstrapping?
mustn't they have been unstrapping?