must slur
Regular verb: slur - slurred- slurred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slur
you must slur
he must slur
we must slur
you must slur
they must slur 	I must be slurring
you must be slurring
he must be slurring
we must be slurring
you must be slurring
they must be slurring	I must have slurred
you must have slurred
he must have slurred
we must have slurred
you must have slurred
they must have slurred	I must have been slurring
you must have been slurring
he must have been slurring
we must have been slurring
you must have been slurring
they must have been slurring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not slur
you must not slur
he must not slur
we must not slur
you must not slur
they must not slur 	I must not be slurring
you must not be slurring
he must not be slurring
we must not be slurring
you must not be slurring
they must not be slurring	I must not have slurred
you must not have slurred
he must not have slurred
we must not have slurred
you must not have slurred
they must not have slurred	I must not have been slurring
you must not have been slurring
he must not have been slurring
we must not have been slurring
you must not have been slurring
they must not have been slurring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slur?
must you slur?
must he slur?
must we slur?
must you slur?
must they slur? 	must I be slurring?
must you be slurring?
must he be slurring?
must we be slurring?
must you be slurring?
must they be slurring? 	must I have slurred?
must you have slurred?
must he have slurred?
must we have slurred?
must you have slurred?
must they have slurred? 	must I have been slurring?
must you have been slurring?
must he have been slurring?
must we have been slurring?
must you have been slurring?
must they have been slurring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not slur?
must you not slur?
must he not slur?
must we not slur?
must you not slur?
must they not slur? 	must I not be slurring?
must you not be slurring?
must he not be slurring?
must we not be slurring?
must you not be slurring?
must they not be slurring? 	must I not have slurred?
must you not have slurred?
must he not have slurred?
must we not have slurred?
must you not have slurred?
must they not have slurred? 	must I not have been slurring?
must you not have been slurring?
must he not have been slurring?
must we not have been slurring?
must you not have been slurring?
must they not have been slurring?