must liaise
Verbo regular: liaise - liaised- liaised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must liaise
you must liaise
he must liaise
we must liaise
you must liaise
they must liaise 	I must be liaising
you must be liaising
he must be liaising
we must be liaising
you must be liaising
they must be liaising	I must have liaised
you must have liaised
he must have liaised
we must have liaised
you must have liaised
they must have liaised	I must have been liaising
you must have been liaising
he must have been liaising
we must have been liaising
you must have been liaising
they must have been liaising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not liaise
you must not liaise
he must not liaise
we must not liaise
you must not liaise
they must not liaise 	I must not be liaising
you must not be liaising
he must not be liaising
we must not be liaising
you must not be liaising
they must not be liaising	I must not have liaised
you must not have liaised
he must not have liaised
we must not have liaised
you must not have liaised
they must not have liaised	I must not have been liaising
you must not have been liaising
he must not have been liaising
we must not have been liaising
you must not have been liaising
they must not have been liaising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I liaise?
must you liaise?
must he liaise?
must we liaise?
must you liaise?
must they liaise? 	must I be liaising?
must you be liaising?
must he be liaising?
must we be liaising?
must you be liaising?
must they be liaising? 	must I have liaised?
must you have liaised?
must he have liaised?
must we have liaised?
must you have liaised?
must they have liaised? 	must I have been liaising?
must you have been liaising?
must he have been liaising?
must we have been liaising?
must you have been liaising?
must they have been liaising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not liaise?
must you not liaise?
must he not liaise?
must we not liaise?
must you not liaise?
must they not liaise? 	must I not be liaising?
must you not be liaising?
must he not be liaising?
must we not be liaising?
must you not be liaising?
must they not be liaising? 	must I not have liaised?
must you not have liaised?
must he not have liaised?
must we not have liaised?
must you not have liaised?
must they not have liaised? 	must I not have been liaising?
must you not have been liaising?
must he not have been liaising?
must we not have been liaising?
must you not have been liaising?
must they not have been liaising?