must forespeak
Verbe irrégulier : forespeak - forespoke- forespoken, forespoke

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must forespeak
you must forespeak
he must forespeak
we must forespeak
you must forespeak
they must forespeak 	I must be forespeaking
you must be forespeaking
he must be forespeaking
we must be forespeaking
you must be forespeaking
they must be forespeaking	I must have forespoken, forespoke
you must have forespoken, forespoke
he must have forespoken, forespoke
we must have forespoken, forespoke
you must have forespoken, forespoke
they must have forespoken, forespoke	I must have been forespeaking
you must have been forespeaking
he must have been forespeaking
we must have been forespeaking
you must have been forespeaking
they must have been forespeaking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't forespeak
you mustn't forespeak
he mustn't forespeak
we mustn't forespeak
you mustn't forespeak
they mustn't forespeak 	I mustn't be forespeaking
you mustn't be forespeaking
he mustn't be forespeaking
we mustn't be forespeaking
you mustn't be forespeaking
they mustn't be forespeaking	I mustn't have forespoken, forespoke
you mustn't have forespoken, forespoke
he mustn't have forespoken, forespoke
we mustn't have forespoken, forespoke
you mustn't have forespoken, forespoke
they mustn't have forespoken, forespoke	I mustn't have been forespeaking
you mustn't have been forespeaking
he mustn't have been forespeaking
we mustn't have been forespeaking
you mustn't have been forespeaking
they mustn't have been forespeaking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I forespeak?
must you forespeak?
must he forespeak?
must we forespeak?
must you forespeak?
must they forespeak? 	must I be forespeaking?
must you be forespeaking?
must he be forespeaking?
must we be forespeaking?
must you be forespeaking?
must they be forespeaking? 	must I have forespoken, forespoke?
must you have forespoken, forespoke?
must he have forespoken, forespoke?
must we have forespoken, forespoke?
must you have forespoken, forespoke?
must they have forespoken, forespoke? 	must I have been forespeaking?
must you have been forespeaking?
must he have been forespeaking?
must we have been forespeaking?
must you have been forespeaking?
must they have been forespeaking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I forespeak?
mustn't you forespeak?
mustn't he forespeak?
mustn't we forespeak?
mustn't you forespeak?
mustn't they forespeak? 	mustn't I be forespeaking?
mustn't you be forespeaking?
mustn't he be forespeaking?
mustn't we be forespeaking?
mustn't you be forespeaking?
mustn't they be forespeaking? 	mustn't I have forespoken, forespoke?
mustn't you have forespoken, forespoke?
mustn't he have forespoken, forespoke?
mustn't we have forespoken, forespoke?
mustn't you have forespoken, forespoke?
mustn't they have forespoken, forespoke? 	mustn't I have been forespeaking?
mustn't you have been forespeaking?
mustn't he have been forespeaking?
mustn't we have been forespeaking?
mustn't you have been forespeaking?
mustn't they have been forespeaking?