must quirt
Verbe régulier : quirt - quirted- quirted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must quirt
you must quirt
she must quirt
we must quirt
you must quirt
they must quirt 	I must be quirting
you must be quirting
she must be quirting
we must be quirting
you must be quirting
they must be quirting	I must have quirted
you must have quirted
she must have quirted
we must have quirted
you must have quirted
they must have quirted	I must have been quirting
you must have been quirting
she must have been quirting
we must have been quirting
you must have been quirting
they must have been quirting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not quirt
you must not quirt
she must not quirt
we must not quirt
you must not quirt
they must not quirt 	I must not be quirting
you must not be quirting
she must not be quirting
we must not be quirting
you must not be quirting
they must not be quirting	I must not have quirted
you must not have quirted
she must not have quirted
we must not have quirted
you must not have quirted
they must not have quirted	I must not have been quirting
you must not have been quirting
she must not have been quirting
we must not have been quirting
you must not have been quirting
they must not have been quirting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I quirt?
must you quirt?
must she quirt?
must we quirt?
must you quirt?
must they quirt? 	must I be quirting?
must you be quirting?
must she be quirting?
must we be quirting?
must you be quirting?
must they be quirting? 	must I have quirted?
must you have quirted?
must she have quirted?
must we have quirted?
must you have quirted?
must they have quirted? 	must I have been quirting?
must you have been quirting?
must she have been quirting?
must we have been quirting?
must you have been quirting?
must they have been quirting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not quirt?
must you not quirt?
must she not quirt?
must we not quirt?
must you not quirt?
must they not quirt? 	must I not be quirting?
must you not be quirting?
must she not be quirting?
must we not be quirting?
must you not be quirting?
must they not be quirting? 	must I not have quirted?
must you not have quirted?
must she not have quirted?
must we not have quirted?
must you not have quirted?
must they not have quirted? 	must I not have been quirting?
must you not have been quirting?
must she not have been quirting?
must we not have been quirting?
must you not have been quirting?
must they not have been quirting?