must devastate
Verbe régulier : devastate - devastated- devastated
Traduction française : dévaster - foudroyer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must devastate
you must devastate
he must devastate
we must devastate
you must devastate
they must devastate 	I must be devastating
you must be devastating
he must be devastating
we must be devastating
you must be devastating
they must be devastating	I must have devastated
you must have devastated
he must have devastated
we must have devastated
you must have devastated
they must have devastated	I must have been devastating
you must have been devastating
he must have been devastating
we must have been devastating
you must have been devastating
they must have been devastating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't devastate
you mustn't devastate
he mustn't devastate
we mustn't devastate
you mustn't devastate
they mustn't devastate 	I mustn't be devastating
you mustn't be devastating
he mustn't be devastating
we mustn't be devastating
you mustn't be devastating
they mustn't be devastating	I mustn't have devastated
you mustn't have devastated
he mustn't have devastated
we mustn't have devastated
you mustn't have devastated
they mustn't have devastated	I mustn't have been devastating
you mustn't have been devastating
he mustn't have been devastating
we mustn't have been devastating
you mustn't have been devastating
they mustn't have been devastating	

Forme interrogative 	
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must I devastate?
must you devastate?
must he devastate?
must we devastate?
must you devastate?
must they devastate? 	must I be devastating?
must you be devastating?
must he be devastating?
must we be devastating?
must you be devastating?
must they be devastating? 	must I have devastated?
must you have devastated?
must he have devastated?
must we have devastated?
must you have devastated?
must they have devastated? 	must I have been devastating?
must you have been devastating?
must he have been devastating?
must we have been devastating?
must you have been devastating?
must they have been devastating? 	

Forme interro-négative 	
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mustn't I devastate?
mustn't you devastate?
mustn't he devastate?
mustn't we devastate?
mustn't you devastate?
mustn't they devastate? 	mustn't I be devastating?
mustn't you be devastating?
mustn't he be devastating?
mustn't we be devastating?
mustn't you be devastating?
mustn't they be devastating? 	mustn't I have devastated?
mustn't you have devastated?
mustn't he have devastated?
mustn't we have devastated?
mustn't you have devastated?
mustn't they have devastated? 	mustn't I have been devastating?
mustn't you have been devastating?
mustn't he have been devastating?
mustn't we have been devastating?
mustn't you have been devastating?
mustn't they have been devastating?