must licence
Verbo regular: licence - licenced- licenced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must licence
you must licence
he must licence
we must licence
you must licence
they must licence 	I must be licencing
you must be licencing
he must be licencing
we must be licencing
you must be licencing
they must be licencing	I must have licenced
you must have licenced
he must have licenced
we must have licenced
you must have licenced
they must have licenced	I must have been licencing
you must have been licencing
he must have been licencing
we must have been licencing
you must have been licencing
they must have been licencing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not licence
you must not licence
he must not licence
we must not licence
you must not licence
they must not licence 	I must not be licencing
you must not be licencing
he must not be licencing
we must not be licencing
you must not be licencing
they must not be licencing	I must not have licenced
you must not have licenced
he must not have licenced
we must not have licenced
you must not have licenced
they must not have licenced	I must not have been licencing
you must not have been licencing
he must not have been licencing
we must not have been licencing
you must not have been licencing
they must not have been licencing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I licence?
must you licence?
must he licence?
must we licence?
must you licence?
must they licence? 	must I be licencing?
must you be licencing?
must he be licencing?
must we be licencing?
must you be licencing?
must they be licencing? 	must I have licenced?
must you have licenced?
must he have licenced?
must we have licenced?
must you have licenced?
must they have licenced? 	must I have been licencing?
must you have been licencing?
must he have been licencing?
must we have been licencing?
must you have been licencing?
must they have been licencing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not licence?
must you not licence?
must he not licence?
must we not licence?
must you not licence?
must they not licence? 	must I not be licencing?
must you not be licencing?
must he not be licencing?
must we not be licencing?
must you not be licencing?
must they not be licencing? 	must I not have licenced?
must you not have licenced?
must he not have licenced?
must we not have licenced?
must you not have licenced?
must they not have licenced? 	must I not have been licencing?
must you not have been licencing?
must he not have been licencing?
must we not have been licencing?
must you not have been licencing?
must they not have been licencing?