must feint
Regular verb: feint - feinted- feinted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must feint
you must feint
he must feint
we must feint
you must feint
they must feint 	I must be feinting
you must be feinting
he must be feinting
we must be feinting
you must be feinting
they must be feinting	I must have feinted
you must have feinted
he must have feinted
we must have feinted
you must have feinted
they must have feinted	I must have been feinting
you must have been feinting
he must have been feinting
we must have been feinting
you must have been feinting
they must have been feinting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not feint
you must not feint
he must not feint
we must not feint
you must not feint
they must not feint 	I must not be feinting
you must not be feinting
he must not be feinting
we must not be feinting
you must not be feinting
they must not be feinting	I must not have feinted
you must not have feinted
he must not have feinted
we must not have feinted
you must not have feinted
they must not have feinted	I must not have been feinting
you must not have been feinting
he must not have been feinting
we must not have been feinting
you must not have been feinting
they must not have been feinting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I feint?
must you feint?
must he feint?
must we feint?
must you feint?
must they feint? 	must I be feinting?
must you be feinting?
must he be feinting?
must we be feinting?
must you be feinting?
must they be feinting? 	must I have feinted?
must you have feinted?
must he have feinted?
must we have feinted?
must you have feinted?
must they have feinted? 	must I have been feinting?
must you have been feinting?
must he have been feinting?
must we have been feinting?
must you have been feinting?
must they have been feinting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not feint?
must you not feint?
must he not feint?
must we not feint?
must you not feint?
must they not feint? 	must I not be feinting?
must you not be feinting?
must he not be feinting?
must we not be feinting?
must you not be feinting?
must they not be feinting? 	must I not have feinted?
must you not have feinted?
must he not have feinted?
must we not have feinted?
must you not have feinted?
must they not have feinted? 	must I not have been feinting?
must you not have been feinting?
must he not have been feinting?
must we not have been feinting?
must you not have been feinting?
must they not have been feinting?