must lubricant
Verbe régulier : lubricant - lubricanted- lubricanted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lubricant
you must lubricant
he must lubricant
we must lubricant
you must lubricant
they must lubricant 	I must be lubricanting
you must be lubricanting
he must be lubricanting
we must be lubricanting
you must be lubricanting
they must be lubricanting	I must have lubricanted
you must have lubricanted
he must have lubricanted
we must have lubricanted
you must have lubricanted
they must have lubricanted	I must have been lubricanting
you must have been lubricanting
he must have been lubricanting
we must have been lubricanting
you must have been lubricanting
they must have been lubricanting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't lubricant
you mustn't lubricant
he mustn't lubricant
we mustn't lubricant
you mustn't lubricant
they mustn't lubricant 	I mustn't be lubricanting
you mustn't be lubricanting
he mustn't be lubricanting
we mustn't be lubricanting
you mustn't be lubricanting
they mustn't be lubricanting	I mustn't have lubricanted
you mustn't have lubricanted
he mustn't have lubricanted
we mustn't have lubricanted
you mustn't have lubricanted
they mustn't have lubricanted	I mustn't have been lubricanting
you mustn't have been lubricanting
he mustn't have been lubricanting
we mustn't have been lubricanting
you mustn't have been lubricanting
they mustn't have been lubricanting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lubricant?
must you lubricant?
must he lubricant?
must we lubricant?
must you lubricant?
must they lubricant? 	must I be lubricanting?
must you be lubricanting?
must he be lubricanting?
must we be lubricanting?
must you be lubricanting?
must they be lubricanting? 	must I have lubricanted?
must you have lubricanted?
must he have lubricanted?
must we have lubricanted?
must you have lubricanted?
must they have lubricanted? 	must I have been lubricanting?
must you have been lubricanting?
must he have been lubricanting?
must we have been lubricanting?
must you have been lubricanting?
must they have been lubricanting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I lubricant?
mustn't you lubricant?
mustn't he lubricant?
mustn't we lubricant?
mustn't you lubricant?
mustn't they lubricant? 	mustn't I be lubricanting?
mustn't you be lubricanting?
mustn't he be lubricanting?
mustn't we be lubricanting?
mustn't you be lubricanting?
mustn't they be lubricanting? 	mustn't I have lubricanted?
mustn't you have lubricanted?
mustn't he have lubricanted?
mustn't we have lubricanted?
mustn't you have lubricanted?
mustn't they have lubricanted? 	mustn't I have been lubricanting?
mustn't you have been lubricanting?
mustn't he have been lubricanting?
mustn't we have been lubricanting?
mustn't you have been lubricanting?
mustn't they have been lubricanting?