must lube
Verbe régulier : lube - lubed- lubed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lube
you must lube
she must lube
we must lube
you must lube
they must lube 	I must be lubing
you must be lubing
she must be lubing
we must be lubing
you must be lubing
they must be lubing	I must have lubed
you must have lubed
she must have lubed
we must have lubed
you must have lubed
they must have lubed	I must have been lubing
you must have been lubing
she must have been lubing
we must have been lubing
you must have been lubing
they must have been lubing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not lube
you must not lube
she must not lube
we must not lube
you must not lube
they must not lube 	I must not be lubing
you must not be lubing
she must not be lubing
we must not be lubing
you must not be lubing
they must not be lubing	I must not have lubed
you must not have lubed
she must not have lubed
we must not have lubed
you must not have lubed
they must not have lubed	I must not have been lubing
you must not have been lubing
she must not have been lubing
we must not have been lubing
you must not have been lubing
they must not have been lubing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lube?
must you lube?
must she lube?
must we lube?
must you lube?
must they lube? 	must I be lubing?
must you be lubing?
must she be lubing?
must we be lubing?
must you be lubing?
must they be lubing? 	must I have lubed?
must you have lubed?
must she have lubed?
must we have lubed?
must you have lubed?
must they have lubed? 	must I have been lubing?
must you have been lubing?
must she have been lubing?
must we have been lubing?
must you have been lubing?
must they have been lubing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not lube?
must you not lube?
must she not lube?
must we not lube?
must you not lube?
must they not lube? 	must I not be lubing?
must you not be lubing?
must she not be lubing?
must we not be lubing?
must you not be lubing?
must they not be lubing? 	must I not have lubed?
must you not have lubed?
must she not have lubed?
must we not have lubed?
must you not have lubed?
must they not have lubed? 	must I not have been lubing?
must you not have been lubing?
must she not have been lubing?
must we not have been lubing?
must you not have been lubing?
must they not have been lubing?