must abhor
Regular verb: abhor - abhorred- abhorred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must abhor
you must abhor
he must abhor
we must abhor
you must abhor
they must abhor 	I must be abhorring
you must be abhorring
he must be abhorring
we must be abhorring
you must be abhorring
they must be abhorring	I must have abhorred
you must have abhorred
he must have abhorred
we must have abhorred
you must have abhorred
they must have abhorred	I must have been abhorring
you must have been abhorring
he must have been abhorring
we must have been abhorring
you must have been abhorring
they must have been abhorring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't abhor
you mustn't abhor
he mustn't abhor
we mustn't abhor
you mustn't abhor
they mustn't abhor 	I mustn't be abhorring
you mustn't be abhorring
he mustn't be abhorring
we mustn't be abhorring
you mustn't be abhorring
they mustn't be abhorring	I mustn't have abhorred
you mustn't have abhorred
he mustn't have abhorred
we mustn't have abhorred
you mustn't have abhorred
they mustn't have abhorred	I mustn't have been abhorring
you mustn't have been abhorring
he mustn't have been abhorring
we mustn't have been abhorring
you mustn't have been abhorring
they mustn't have been abhorring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I abhor?
must you abhor?
must he abhor?
must we abhor?
must you abhor?
must they abhor? 	must I be abhorring?
must you be abhorring?
must he be abhorring?
must we be abhorring?
must you be abhorring?
must they be abhorring? 	must I have abhorred?
must you have abhorred?
must he have abhorred?
must we have abhorred?
must you have abhorred?
must they have abhorred? 	must I have been abhorring?
must you have been abhorring?
must he have been abhorring?
must we have been abhorring?
must you have been abhorring?
must they have been abhorring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I abhor?
mustn't you abhor?
mustn't he abhor?
mustn't we abhor?
mustn't you abhor?
mustn't they abhor? 	mustn't I be abhorring?
mustn't you be abhorring?
mustn't he be abhorring?
mustn't we be abhorring?
mustn't you be abhorring?
mustn't they be abhorring? 	mustn't I have abhorred?
mustn't you have abhorred?
mustn't he have abhorred?
mustn't we have abhorred?
mustn't you have abhorred?
mustn't they have abhorred? 	mustn't I have been abhorring?
mustn't you have been abhorring?
mustn't he have been abhorring?
mustn't we have been abhorring?
mustn't you have been abhorring?
mustn't they have been abhorring?