must invalid invalid invalid invalid invalid invalid invalid invalid
Regular verb: invalid invalid invalid invalid invalid invalid invalid invalid - invalid invalid invalid invalid invalid invalid invalid invalided- invalid invalid invalid invalid invalid invalid invalid invalided

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must invalid invalid invalid invalid invalid invalid invalid invalid
you must invalid invalid invalid invalid invalid invalid invalid invalid
she must invalid invalid invalid invalid invalid invalid invalid invalid
we must invalid invalid invalid invalid invalid invalid invalid invalid
you must invalid invalid invalid invalid invalid invalid invalid invalid
they must invalid invalid invalid invalid invalid invalid invalid invalid 	I must be invalid invalid invalid invalid invalid invalid invalid invaliding
you must be invalid invalid invalid invalid invalid invalid invalid invaliding
she must be invalid invalid invalid invalid invalid invalid invalid invaliding
we must be invalid invalid invalid invalid invalid invalid invalid invaliding
you must be invalid invalid invalid invalid invalid invalid invalid invaliding
they must be invalid invalid invalid invalid invalid invalid invalid invaliding	I must have invalid invalid invalid invalid invalid invalid invalid invalided
you must have invalid invalid invalid invalid invalid invalid invalid invalided
she must have invalid invalid invalid invalid invalid invalid invalid invalided
we must have invalid invalid invalid invalid invalid invalid invalid invalided
you must have invalid invalid invalid invalid invalid invalid invalid invalided
they must have invalid invalid invalid invalid invalid invalid invalid invalided	I must have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must have been invalid invalid invalid invalid invalid invalid invalid invaliding
she must have been invalid invalid invalid invalid invalid invalid invalid invaliding
we must have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must have been invalid invalid invalid invalid invalid invalid invalid invaliding
they must have been invalid invalid invalid invalid invalid invalid invalid invaliding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not invalid invalid invalid invalid invalid invalid invalid invalid
you must not invalid invalid invalid invalid invalid invalid invalid invalid
she must not invalid invalid invalid invalid invalid invalid invalid invalid
we must not invalid invalid invalid invalid invalid invalid invalid invalid
you must not invalid invalid invalid invalid invalid invalid invalid invalid
they must not invalid invalid invalid invalid invalid invalid invalid invalid 	I must not be invalid invalid invalid invalid invalid invalid invalid invaliding
you must not be invalid invalid invalid invalid invalid invalid invalid invaliding
she must not be invalid invalid invalid invalid invalid invalid invalid invaliding
we must not be invalid invalid invalid invalid invalid invalid invalid invaliding
you must not be invalid invalid invalid invalid invalid invalid invalid invaliding
they must not be invalid invalid invalid invalid invalid invalid invalid invaliding	I must not have invalid invalid invalid invalid invalid invalid invalid invalided
you must not have invalid invalid invalid invalid invalid invalid invalid invalided
she must not have invalid invalid invalid invalid invalid invalid invalid invalided
we must not have invalid invalid invalid invalid invalid invalid invalid invalided
you must not have invalid invalid invalid invalid invalid invalid invalid invalided
they must not have invalid invalid invalid invalid invalid invalid invalid invalided	I must not have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must not have been invalid invalid invalid invalid invalid invalid invalid invaliding
she must not have been invalid invalid invalid invalid invalid invalid invalid invaliding
we must not have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must not have been invalid invalid invalid invalid invalid invalid invalid invaliding
they must not have been invalid invalid invalid invalid invalid invalid invalid invaliding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I invalid invalid invalid invalid invalid invalid invalid invalid?
must you invalid invalid invalid invalid invalid invalid invalid invalid?
must she invalid invalid invalid invalid invalid invalid invalid invalid?
must we invalid invalid invalid invalid invalid invalid invalid invalid?
must you invalid invalid invalid invalid invalid invalid invalid invalid?
must they invalid invalid invalid invalid invalid invalid invalid invalid? 	must I be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you be invalid invalid invalid invalid invalid invalid invalid invaliding?
must she be invalid invalid invalid invalid invalid invalid invalid invaliding?
must we be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you be invalid invalid invalid invalid invalid invalid invalid invaliding?
must they be invalid invalid invalid invalid invalid invalid invalid invaliding? 	must I have invalid invalid invalid invalid invalid invalid invalid invalided?
must you have invalid invalid invalid invalid invalid invalid invalid invalided?
must she have invalid invalid invalid invalid invalid invalid invalid invalided?
must we have invalid invalid invalid invalid invalid invalid invalid invalided?
must you have invalid invalid invalid invalid invalid invalid invalid invalided?
must they have invalid invalid invalid invalid invalid invalid invalid invalided? 	must I have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must she have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must we have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must they have been invalid invalid invalid invalid invalid invalid invalid invaliding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not invalid invalid invalid invalid invalid invalid invalid invalid?
must you not invalid invalid invalid invalid invalid invalid invalid invalid?
must she not invalid invalid invalid invalid invalid invalid invalid invalid?
must we not invalid invalid invalid invalid invalid invalid invalid invalid?
must you not invalid invalid invalid invalid invalid invalid invalid invalid?
must they not invalid invalid invalid invalid invalid invalid invalid invalid? 	must I not be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you not be invalid invalid invalid invalid invalid invalid invalid invaliding?
must she not be invalid invalid invalid invalid invalid invalid invalid invaliding?
must we not be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you not be invalid invalid invalid invalid invalid invalid invalid invaliding?
must they not be invalid invalid invalid invalid invalid invalid invalid invaliding? 	must I not have invalid invalid invalid invalid invalid invalid invalid invalided?
must you not have invalid invalid invalid invalid invalid invalid invalid invalided?
must she not have invalid invalid invalid invalid invalid invalid invalid invalided?
must we not have invalid invalid invalid invalid invalid invalid invalid invalided?
must you not have invalid invalid invalid invalid invalid invalid invalid invalided?
must they not have invalid invalid invalid invalid invalid invalid invalid invalided? 	must I not have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you not have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must she not have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must we not have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you not have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must they not have been invalid invalid invalid invalid invalid invalid invalid invaliding?