must guarantee
Verbe régulier : guarantee - guaranteed- guaranteed
Traduction française : garantir - certifier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must guarantee
you must guarantee
she must guarantee
we must guarantee
you must guarantee
they must guarantee 	I must be guaranteeing
you must be guaranteeing
she must be guaranteeing
we must be guaranteeing
you must be guaranteeing
they must be guaranteeing	I must have guaranteed
you must have guaranteed
she must have guaranteed
we must have guaranteed
you must have guaranteed
they must have guaranteed	I must have been guaranteeing
you must have been guaranteeing
she must have been guaranteeing
we must have been guaranteeing
you must have been guaranteeing
they must have been guaranteeing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not guarantee
you must not guarantee
she must not guarantee
we must not guarantee
you must not guarantee
they must not guarantee 	I must not be guaranteeing
you must not be guaranteeing
she must not be guaranteeing
we must not be guaranteeing
you must not be guaranteeing
they must not be guaranteeing	I must not have guaranteed
you must not have guaranteed
she must not have guaranteed
we must not have guaranteed
you must not have guaranteed
they must not have guaranteed	I must not have been guaranteeing
you must not have been guaranteeing
she must not have been guaranteeing
we must not have been guaranteeing
you must not have been guaranteeing
they must not have been guaranteeing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I guarantee?
must you guarantee?
must she guarantee?
must we guarantee?
must you guarantee?
must they guarantee? 	must I be guaranteeing?
must you be guaranteeing?
must she be guaranteeing?
must we be guaranteeing?
must you be guaranteeing?
must they be guaranteeing? 	must I have guaranteed?
must you have guaranteed?
must she have guaranteed?
must we have guaranteed?
must you have guaranteed?
must they have guaranteed? 	must I have been guaranteeing?
must you have been guaranteeing?
must she have been guaranteeing?
must we have been guaranteeing?
must you have been guaranteeing?
must they have been guaranteeing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not guarantee?
must you not guarantee?
must she not guarantee?
must we not guarantee?
must you not guarantee?
must they not guarantee? 	must I not be guaranteeing?
must you not be guaranteeing?
must she not be guaranteeing?
must we not be guaranteeing?
must you not be guaranteeing?
must they not be guaranteeing? 	must I not have guaranteed?
must you not have guaranteed?
must she not have guaranteed?
must we not have guaranteed?
must you not have guaranteed?
must they not have guaranteed? 	must I not have been guaranteeing?
must you not have been guaranteeing?
must she not have been guaranteeing?
must we not have been guaranteeing?
must you not have been guaranteeing?
must they not have been guaranteeing?