must rollerblade
Verbe régulier : rollerblade - rollerbladed- rollerbladed
Traduction française : faire du roller 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must rollerblade
you must rollerblade
he must rollerblade
we must rollerblade
you must rollerblade
they must rollerblade 	I must be rollerblading
you must be rollerblading
he must be rollerblading
we must be rollerblading
you must be rollerblading
they must be rollerblading	I must have rollerbladed
you must have rollerbladed
he must have rollerbladed
we must have rollerbladed
you must have rollerbladed
they must have rollerbladed	I must have been rollerblading
you must have been rollerblading
he must have been rollerblading
we must have been rollerblading
you must have been rollerblading
they must have been rollerblading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't rollerblade
you mustn't rollerblade
he mustn't rollerblade
we mustn't rollerblade
you mustn't rollerblade
they mustn't rollerblade 	I mustn't be rollerblading
you mustn't be rollerblading
he mustn't be rollerblading
we mustn't be rollerblading
you mustn't be rollerblading
they mustn't be rollerblading	I mustn't have rollerbladed
you mustn't have rollerbladed
he mustn't have rollerbladed
we mustn't have rollerbladed
you mustn't have rollerbladed
they mustn't have rollerbladed	I mustn't have been rollerblading
you mustn't have been rollerblading
he mustn't have been rollerblading
we mustn't have been rollerblading
you mustn't have been rollerblading
they mustn't have been rollerblading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I rollerblade?
must you rollerblade?
must he rollerblade?
must we rollerblade?
must you rollerblade?
must they rollerblade? 	must I be rollerblading?
must you be rollerblading?
must he be rollerblading?
must we be rollerblading?
must you be rollerblading?
must they be rollerblading? 	must I have rollerbladed?
must you have rollerbladed?
must he have rollerbladed?
must we have rollerbladed?
must you have rollerbladed?
must they have rollerbladed? 	must I have been rollerblading?
must you have been rollerblading?
must he have been rollerblading?
must we have been rollerblading?
must you have been rollerblading?
must they have been rollerblading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I rollerblade?
mustn't you rollerblade?
mustn't he rollerblade?
mustn't we rollerblade?
mustn't you rollerblade?
mustn't they rollerblade? 	mustn't I be rollerblading?
mustn't you be rollerblading?
mustn't he be rollerblading?
mustn't we be rollerblading?
mustn't you be rollerblading?
mustn't they be rollerblading? 	mustn't I have rollerbladed?
mustn't you have rollerbladed?
mustn't he have rollerbladed?
mustn't we have rollerbladed?
mustn't you have rollerbladed?
mustn't they have rollerbladed? 	mustn't I have been rollerblading?
mustn't you have been rollerblading?
mustn't he have been rollerblading?
mustn't we have been rollerblading?
mustn't you have been rollerblading?
mustn't they have been rollerblading?