must slaver
Regular verb: slaver - slavered- slavered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slaver
you must slaver
he must slaver
we must slaver
you must slaver
they must slaver 	I must be slavering
you must be slavering
he must be slavering
we must be slavering
you must be slavering
they must be slavering	I must have slavered
you must have slavered
he must have slavered
we must have slavered
you must have slavered
they must have slavered	I must have been slavering
you must have been slavering
he must have been slavering
we must have been slavering
you must have been slavering
they must have been slavering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not slaver
you must not slaver
he must not slaver
we must not slaver
you must not slaver
they must not slaver 	I must not be slavering
you must not be slavering
he must not be slavering
we must not be slavering
you must not be slavering
they must not be slavering	I must not have slavered
you must not have slavered
he must not have slavered
we must not have slavered
you must not have slavered
they must not have slavered	I must not have been slavering
you must not have been slavering
he must not have been slavering
we must not have been slavering
you must not have been slavering
they must not have been slavering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slaver?
must you slaver?
must he slaver?
must we slaver?
must you slaver?
must they slaver? 	must I be slavering?
must you be slavering?
must he be slavering?
must we be slavering?
must you be slavering?
must they be slavering? 	must I have slavered?
must you have slavered?
must he have slavered?
must we have slavered?
must you have slavered?
must they have slavered? 	must I have been slavering?
must you have been slavering?
must he have been slavering?
must we have been slavering?
must you have been slavering?
must they have been slavering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not slaver?
must you not slaver?
must he not slaver?
must we not slaver?
must you not slaver?
must they not slaver? 	must I not be slavering?
must you not be slavering?
must he not be slavering?
must we not be slavering?
must you not be slavering?
must they not be slavering? 	must I not have slavered?
must you not have slavered?
must he not have slavered?
must we not have slavered?
must you not have slavered?
must they not have slavered? 	must I not have been slavering?
must you not have been slavering?
must he not have been slavering?
must we not have been slavering?
must you not have been slavering?
must they not have been slavering?