must hornswoggle
Regular verb: hornswoggle - hornswoggled- hornswoggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must hornswoggle
you must hornswoggle
he must hornswoggle
we must hornswoggle
you must hornswoggle
they must hornswoggle 	I must be hornswoggling
you must be hornswoggling
he must be hornswoggling
we must be hornswoggling
you must be hornswoggling
they must be hornswoggling	I must have hornswoggled
you must have hornswoggled
he must have hornswoggled
we must have hornswoggled
you must have hornswoggled
they must have hornswoggled	I must have been hornswoggling
you must have been hornswoggling
he must have been hornswoggling
we must have been hornswoggling
you must have been hornswoggling
they must have been hornswoggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't hornswoggle
you mustn't hornswoggle
he mustn't hornswoggle
we mustn't hornswoggle
you mustn't hornswoggle
they mustn't hornswoggle 	I mustn't be hornswoggling
you mustn't be hornswoggling
he mustn't be hornswoggling
we mustn't be hornswoggling
you mustn't be hornswoggling
they mustn't be hornswoggling	I mustn't have hornswoggled
you mustn't have hornswoggled
he mustn't have hornswoggled
we mustn't have hornswoggled
you mustn't have hornswoggled
they mustn't have hornswoggled	I mustn't have been hornswoggling
you mustn't have been hornswoggling
he mustn't have been hornswoggling
we mustn't have been hornswoggling
you mustn't have been hornswoggling
they mustn't have been hornswoggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I hornswoggle?
must you hornswoggle?
must he hornswoggle?
must we hornswoggle?
must you hornswoggle?
must they hornswoggle? 	must I be hornswoggling?
must you be hornswoggling?
must he be hornswoggling?
must we be hornswoggling?
must you be hornswoggling?
must they be hornswoggling? 	must I have hornswoggled?
must you have hornswoggled?
must he have hornswoggled?
must we have hornswoggled?
must you have hornswoggled?
must they have hornswoggled? 	must I have been hornswoggling?
must you have been hornswoggling?
must he have been hornswoggling?
must we have been hornswoggling?
must you have been hornswoggling?
must they have been hornswoggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I hornswoggle?
mustn't you hornswoggle?
mustn't he hornswoggle?
mustn't we hornswoggle?
mustn't you hornswoggle?
mustn't they hornswoggle? 	mustn't I be hornswoggling?
mustn't you be hornswoggling?
mustn't he be hornswoggling?
mustn't we be hornswoggling?
mustn't you be hornswoggling?
mustn't they be hornswoggling? 	mustn't I have hornswoggled?
mustn't you have hornswoggled?
mustn't he have hornswoggled?
mustn't we have hornswoggled?
mustn't you have hornswoggled?
mustn't they have hornswoggled? 	mustn't I have been hornswoggling?
mustn't you have been hornswoggling?
mustn't he have been hornswoggling?
mustn't we have been hornswoggling?
mustn't you have been hornswoggling?
mustn't they have been hornswoggling?