must undrape
Verbe régulier : undrape - undraped- undraped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must undrape
you must undrape
she must undrape
we must undrape
you must undrape
they must undrape 	I must be undraping
you must be undraping
she must be undraping
we must be undraping
you must be undraping
they must be undraping	I must have undraped
you must have undraped
she must have undraped
we must have undraped
you must have undraped
they must have undraped	I must have been undraping
you must have been undraping
she must have been undraping
we must have been undraping
you must have been undraping
they must have been undraping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't undrape
you mustn't undrape
she mustn't undrape
we mustn't undrape
you mustn't undrape
they mustn't undrape 	I mustn't be undraping
you mustn't be undraping
she mustn't be undraping
we mustn't be undraping
you mustn't be undraping
they mustn't be undraping	I mustn't have undraped
you mustn't have undraped
she mustn't have undraped
we mustn't have undraped
you mustn't have undraped
they mustn't have undraped	I mustn't have been undraping
you mustn't have been undraping
she mustn't have been undraping
we mustn't have been undraping
you mustn't have been undraping
they mustn't have been undraping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I undrape?
must you undrape?
must she undrape?
must we undrape?
must you undrape?
must they undrape? 	must I be undraping?
must you be undraping?
must she be undraping?
must we be undraping?
must you be undraping?
must they be undraping? 	must I have undraped?
must you have undraped?
must she have undraped?
must we have undraped?
must you have undraped?
must they have undraped? 	must I have been undraping?
must you have been undraping?
must she have been undraping?
must we have been undraping?
must you have been undraping?
must they have been undraping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I undrape?
mustn't you undrape?
mustn't she undrape?
mustn't we undrape?
mustn't you undrape?
mustn't they undrape? 	mustn't I be undraping?
mustn't you be undraping?
mustn't she be undraping?
mustn't we be undraping?
mustn't you be undraping?
mustn't they be undraping? 	mustn't I have undraped?
mustn't you have undraped?
mustn't she have undraped?
mustn't we have undraped?
mustn't you have undraped?
mustn't they have undraped? 	mustn't I have been undraping?
mustn't you have been undraping?
mustn't she have been undraping?
mustn't we have been undraping?
mustn't you have been undraping?
mustn't they have been undraping?