must grummet
Verbe régulier : grummet - grummeted- grummeted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must grummet
you must grummet
she must grummet
we must grummet
you must grummet
they must grummet 	I must be grummeting
you must be grummeting
she must be grummeting
we must be grummeting
you must be grummeting
they must be grummeting	I must have grummeted
you must have grummeted
she must have grummeted
we must have grummeted
you must have grummeted
they must have grummeted	I must have been grummeting
you must have been grummeting
she must have been grummeting
we must have been grummeting
you must have been grummeting
they must have been grummeting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not grummet
you must not grummet
she must not grummet
we must not grummet
you must not grummet
they must not grummet 	I must not be grummeting
you must not be grummeting
she must not be grummeting
we must not be grummeting
you must not be grummeting
they must not be grummeting	I must not have grummeted
you must not have grummeted
she must not have grummeted
we must not have grummeted
you must not have grummeted
they must not have grummeted	I must not have been grummeting
you must not have been grummeting
she must not have been grummeting
we must not have been grummeting
you must not have been grummeting
they must not have been grummeting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I grummet?
must you grummet?
must she grummet?
must we grummet?
must you grummet?
must they grummet? 	must I be grummeting?
must you be grummeting?
must she be grummeting?
must we be grummeting?
must you be grummeting?
must they be grummeting? 	must I have grummeted?
must you have grummeted?
must she have grummeted?
must we have grummeted?
must you have grummeted?
must they have grummeted? 	must I have been grummeting?
must you have been grummeting?
must she have been grummeting?
must we have been grummeting?
must you have been grummeting?
must they have been grummeting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not grummet?
must you not grummet?
must she not grummet?
must we not grummet?
must you not grummet?
must they not grummet? 	must I not be grummeting?
must you not be grummeting?
must she not be grummeting?
must we not be grummeting?
must you not be grummeting?
must they not be grummeting? 	must I not have grummeted?
must you not have grummeted?
must she not have grummeted?
must we not have grummeted?
must you not have grummeted?
must they not have grummeted? 	must I not have been grummeting?
must you not have been grummeting?
must she not have been grummeting?
must we not have been grummeting?
must you not have been grummeting?
must they not have been grummeting?