must preformat
Verbe régulier : preformat - preformated- preformated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preformat
you must preformat
she must preformat
we must preformat
you must preformat
they must preformat 	I must be preformating
you must be preformating
she must be preformating
we must be preformating
you must be preformating
they must be preformating	I must have preformated
you must have preformated
she must have preformated
we must have preformated
you must have preformated
they must have preformated	I must have been preformating
you must have been preformating
she must have been preformating
we must have been preformating
you must have been preformating
they must have been preformating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not preformat
you must not preformat
she must not preformat
we must not preformat
you must not preformat
they must not preformat 	I must not be preformating
you must not be preformating
she must not be preformating
we must not be preformating
you must not be preformating
they must not be preformating	I must not have preformated
you must not have preformated
she must not have preformated
we must not have preformated
you must not have preformated
they must not have preformated	I must not have been preformating
you must not have been preformating
she must not have been preformating
we must not have been preformating
you must not have been preformating
they must not have been preformating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preformat?
must you preformat?
must she preformat?
must we preformat?
must you preformat?
must they preformat? 	must I be preformating?
must you be preformating?
must she be preformating?
must we be preformating?
must you be preformating?
must they be preformating? 	must I have preformated?
must you have preformated?
must she have preformated?
must we have preformated?
must you have preformated?
must they have preformated? 	must I have been preformating?
must you have been preformating?
must she have been preformating?
must we have been preformating?
must you have been preformating?
must they have been preformating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not preformat?
must you not preformat?
must she not preformat?
must we not preformat?
must you not preformat?
must they not preformat? 	must I not be preformating?
must you not be preformating?
must she not be preformating?
must we not be preformating?
must you not be preformating?
must they not be preformating? 	must I not have preformated?
must you not have preformated?
must she not have preformated?
must we not have preformated?
must you not have preformated?
must they not have preformated? 	must I not have been preformating?
must you not have been preformating?
must she not have been preformating?
must we not have been preformating?
must you not have been preformating?
must they not have been preformating?