must tell
Irregular verb: tell - told- told

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tell
you must tell
she must tell
we must tell
you must tell
they must tell 	I must be telling
you must be telling
she must be telling
we must be telling
you must be telling
they must be telling	I must have told
you must have told
she must have told
we must have told
you must have told
they must have told	I must have been telling
you must have been telling
she must have been telling
we must have been telling
you must have been telling
they must have been telling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not tell
you must not tell
she must not tell
we must not tell
you must not tell
they must not tell 	I must not be telling
you must not be telling
she must not be telling
we must not be telling
you must not be telling
they must not be telling	I must not have told
you must not have told
she must not have told
we must not have told
you must not have told
they must not have told	I must not have been telling
you must not have been telling
she must not have been telling
we must not have been telling
you must not have been telling
they must not have been telling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tell?
must you tell?
must she tell?
must we tell?
must you tell?
must they tell? 	must I be telling?
must you be telling?
must she be telling?
must we be telling?
must you be telling?
must they be telling? 	must I have told?
must you have told?
must she have told?
must we have told?
must you have told?
must they have told? 	must I have been telling?
must you have been telling?
must she have been telling?
must we have been telling?
must you have been telling?
must they have been telling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not tell?
must you not tell?
must she not tell?
must we not tell?
must you not tell?
must they not tell? 	must I not be telling?
must you not be telling?
must she not be telling?
must we not be telling?
must you not be telling?
must they not be telling? 	must I not have told?
must you not have told?
must she not have told?
must we not have told?
must you not have told?
must they not have told? 	must I not have been telling?
must you not have been telling?
must she not have been telling?
must we not have been telling?
must you not have been telling?
must they not have been telling?