must foist
Verbe régulier : foist - foisted- foisted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must foist
you must foist
she must foist
we must foist
you must foist
they must foist 	I must be foisting
you must be foisting
she must be foisting
we must be foisting
you must be foisting
they must be foisting	I must have foisted
you must have foisted
she must have foisted
we must have foisted
you must have foisted
they must have foisted	I must have been foisting
you must have been foisting
she must have been foisting
we must have been foisting
you must have been foisting
they must have been foisting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not foist
you must not foist
she must not foist
we must not foist
you must not foist
they must not foist 	I must not be foisting
you must not be foisting
she must not be foisting
we must not be foisting
you must not be foisting
they must not be foisting	I must not have foisted
you must not have foisted
she must not have foisted
we must not have foisted
you must not have foisted
they must not have foisted	I must not have been foisting
you must not have been foisting
she must not have been foisting
we must not have been foisting
you must not have been foisting
they must not have been foisting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I foist?
must you foist?
must she foist?
must we foist?
must you foist?
must they foist? 	must I be foisting?
must you be foisting?
must she be foisting?
must we be foisting?
must you be foisting?
must they be foisting? 	must I have foisted?
must you have foisted?
must she have foisted?
must we have foisted?
must you have foisted?
must they have foisted? 	must I have been foisting?
must you have been foisting?
must she have been foisting?
must we have been foisting?
must you have been foisting?
must they have been foisting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not foist?
must you not foist?
must she not foist?
must we not foist?
must you not foist?
must they not foist? 	must I not be foisting?
must you not be foisting?
must she not be foisting?
must we not be foisting?
must you not be foisting?
must they not be foisting? 	must I not have foisted?
must you not have foisted?
must she not have foisted?
must we not have foisted?
must you not have foisted?
must they not have foisted? 	must I not have been foisting?
must you not have been foisting?
must she not have been foisting?
must we not have been foisting?
must you not have been foisting?
must they not have been foisting?