must tattle
Regular verb: tattle - tattled- tattled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tattle
you must tattle
he must tattle
we must tattle
you must tattle
they must tattle 	I must be tattling
you must be tattling
he must be tattling
we must be tattling
you must be tattling
they must be tattling	I must have tattled
you must have tattled
he must have tattled
we must have tattled
you must have tattled
they must have tattled	I must have been tattling
you must have been tattling
he must have been tattling
we must have been tattling
you must have been tattling
they must have been tattling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't tattle
you mustn't tattle
he mustn't tattle
we mustn't tattle
you mustn't tattle
they mustn't tattle 	I mustn't be tattling
you mustn't be tattling
he mustn't be tattling
we mustn't be tattling
you mustn't be tattling
they mustn't be tattling	I mustn't have tattled
you mustn't have tattled
he mustn't have tattled
we mustn't have tattled
you mustn't have tattled
they mustn't have tattled	I mustn't have been tattling
you mustn't have been tattling
he mustn't have been tattling
we mustn't have been tattling
you mustn't have been tattling
they mustn't have been tattling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tattle?
must you tattle?
must he tattle?
must we tattle?
must you tattle?
must they tattle? 	must I be tattling?
must you be tattling?
must he be tattling?
must we be tattling?
must you be tattling?
must they be tattling? 	must I have tattled?
must you have tattled?
must he have tattled?
must we have tattled?
must you have tattled?
must they have tattled? 	must I have been tattling?
must you have been tattling?
must he have been tattling?
must we have been tattling?
must you have been tattling?
must they have been tattling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I tattle?
mustn't you tattle?
mustn't he tattle?
mustn't we tattle?
mustn't you tattle?
mustn't they tattle? 	mustn't I be tattling?
mustn't you be tattling?
mustn't he be tattling?
mustn't we be tattling?
mustn't you be tattling?
mustn't they be tattling? 	mustn't I have tattled?
mustn't you have tattled?
mustn't he have tattled?
mustn't we have tattled?
mustn't you have tattled?
mustn't they have tattled? 	mustn't I have been tattling?
mustn't you have been tattling?
mustn't he have been tattling?
mustn't we have been tattling?
mustn't you have been tattling?
mustn't they have been tattling?