English verb conjugation
MUST ABORT

Regular verb: abort - aborted - aborted

Affirmation

Simple form	V-ing form
I must abort you must abort he must abort we must abort you must abort they must abort	I must be aborting you must be aborting he must be aborting we must be aborting you must be aborting they must be aborting
Perfect	V-ing perfect
I must have aborted you must have aborted he must have aborted we must have aborted you must have aborted they must have aborted	I must have been aborting you must have been aborting he must have been aborting we must have been aborting you must have been aborting they must have been aborting

Negation

Simple form	V-ing form
I mustn't abort you mustn't abort he mustn't abort we mustn't abort you mustn't abort they mustn't abort	I mustn't be aborting you mustn't be aborting he mustn't be aborting we mustn't be aborting you mustn't be aborting they mustn't be aborting
Perfect	V-ing perfect
I mustn't have aborted you mustn't have aborted he mustn't have aborted we mustn't have aborted you mustn't have aborted they mustn't have aborted	I mustn't have been aborting you mustn't have been aborting he mustn't have been aborting we mustn't have been aborting you mustn't have been aborting they mustn't have been aborting

Interrogative form

Simple form	V-ing form
must I abort? must you abort? must he abort? must we abort? must you abort? must they abort?	must I be aborting? must you be aborting? must he be aborting? must we be aborting? must you be aborting? must they be aborting?
Perfect	V-ing perfect
must I have aborted? must you have aborted? must he have aborted? must we have aborted? must you have aborted? must they have aborted?	must I have been aborting? must you have been aborting? must he have been aborting? must we have been aborting? must you have been aborting? must they have been aborting?

Interro-negative form

Simple form	V-ing form
mustn't I abort? mustn't you abort? mustn't he abort? mustn't we abort? mustn't you abort? mustn't they abort?	mustn't I be aborting? mustn't you be aborting? mustn't he be aborting? mustn't we be aborting? mustn't you be aborting? mustn't they be aborting?
Perfect	V-ing perfect
mustn't I have aborted? mustn't you have aborted? mustn't he have aborted? mustn't we have aborted? mustn't you have aborted? mustn't they have aborted?	mustn't I have been aborting? mustn't you have been aborting? mustn't he have been aborting? mustn't we have been aborting? mustn't you have been aborting? mustn't they have been aborting?