must disgruntle
Verbe régulier : disgruntle - disgruntled- disgruntled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must disgruntle
you must disgruntle
he must disgruntle
we must disgruntle
you must disgruntle
they must disgruntle 	I must be disgruntling
you must be disgruntling
he must be disgruntling
we must be disgruntling
you must be disgruntling
they must be disgruntling	I must have disgruntled
you must have disgruntled
he must have disgruntled
we must have disgruntled
you must have disgruntled
they must have disgruntled	I must have been disgruntling
you must have been disgruntling
he must have been disgruntling
we must have been disgruntling
you must have been disgruntling
they must have been disgruntling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not disgruntle
you must not disgruntle
he must not disgruntle
we must not disgruntle
you must not disgruntle
they must not disgruntle 	I must not be disgruntling
you must not be disgruntling
he must not be disgruntling
we must not be disgruntling
you must not be disgruntling
they must not be disgruntling	I must not have disgruntled
you must not have disgruntled
he must not have disgruntled
we must not have disgruntled
you must not have disgruntled
they must not have disgruntled	I must not have been disgruntling
you must not have been disgruntling
he must not have been disgruntling
we must not have been disgruntling
you must not have been disgruntling
they must not have been disgruntling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I disgruntle?
must you disgruntle?
must he disgruntle?
must we disgruntle?
must you disgruntle?
must they disgruntle? 	must I be disgruntling?
must you be disgruntling?
must he be disgruntling?
must we be disgruntling?
must you be disgruntling?
must they be disgruntling? 	must I have disgruntled?
must you have disgruntled?
must he have disgruntled?
must we have disgruntled?
must you have disgruntled?
must they have disgruntled? 	must I have been disgruntling?
must you have been disgruntling?
must he have been disgruntling?
must we have been disgruntling?
must you have been disgruntling?
must they have been disgruntling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not disgruntle?
must you not disgruntle?
must he not disgruntle?
must we not disgruntle?
must you not disgruntle?
must they not disgruntle? 	must I not be disgruntling?
must you not be disgruntling?
must he not be disgruntling?
must we not be disgruntling?
must you not be disgruntling?
must they not be disgruntling? 	must I not have disgruntled?
must you not have disgruntled?
must he not have disgruntled?
must we not have disgruntled?
must you not have disgruntled?
must they not have disgruntled? 	must I not have been disgruntling?
must you not have been disgruntling?
must he not have been disgruntling?
must we not have been disgruntling?
must you not have been disgruntling?
must they not have been disgruntling?