must dogfight
Irregular verb: dogfight - dogfought- dogfought

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dogfight
you must dogfight
he must dogfight
we must dogfight
you must dogfight
they must dogfight 	I must be dogfighting
you must be dogfighting
he must be dogfighting
we must be dogfighting
you must be dogfighting
they must be dogfighting	I must have dogfought
you must have dogfought
he must have dogfought
we must have dogfought
you must have dogfought
they must have dogfought	I must have been dogfighting
you must have been dogfighting
he must have been dogfighting
we must have been dogfighting
you must have been dogfighting
they must have been dogfighting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not dogfight
you must not dogfight
he must not dogfight
we must not dogfight
you must not dogfight
they must not dogfight 	I must not be dogfighting
you must not be dogfighting
he must not be dogfighting
we must not be dogfighting
you must not be dogfighting
they must not be dogfighting	I must not have dogfought
you must not have dogfought
he must not have dogfought
we must not have dogfought
you must not have dogfought
they must not have dogfought	I must not have been dogfighting
you must not have been dogfighting
he must not have been dogfighting
we must not have been dogfighting
you must not have been dogfighting
they must not have been dogfighting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I dogfight?
must you dogfight?
must he dogfight?
must we dogfight?
must you dogfight?
must they dogfight? 	must I be dogfighting?
must you be dogfighting?
must he be dogfighting?
must we be dogfighting?
must you be dogfighting?
must they be dogfighting? 	must I have dogfought?
must you have dogfought?
must he have dogfought?
must we have dogfought?
must you have dogfought?
must they have dogfought? 	must I have been dogfighting?
must you have been dogfighting?
must he have been dogfighting?
must we have been dogfighting?
must you have been dogfighting?
must they have been dogfighting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not dogfight?
must you not dogfight?
must he not dogfight?
must we not dogfight?
must you not dogfight?
must they not dogfight? 	must I not be dogfighting?
must you not be dogfighting?
must he not be dogfighting?
must we not be dogfighting?
must you not be dogfighting?
must they not be dogfighting? 	must I not have dogfought?
must you not have dogfought?
must he not have dogfought?
must we not have dogfought?
must you not have dogfought?
must they not have dogfought? 	must I not have been dogfighting?
must you not have been dogfighting?
must he not have been dogfighting?
must we not have been dogfighting?
must you not have been dogfighting?
must they not have been dogfighting?