must backcomb
Verbo regular: backcomb - backcombed- backcombed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must backcomb
you must backcomb
he must backcomb
we must backcomb
you must backcomb
they must backcomb 	I must be backcombing
you must be backcombing
he must be backcombing
we must be backcombing
you must be backcombing
they must be backcombing	I must have backcombed
you must have backcombed
he must have backcombed
we must have backcombed
you must have backcombed
they must have backcombed	I must have been backcombing
you must have been backcombing
he must have been backcombing
we must have been backcombing
you must have been backcombing
they must have been backcombing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not backcomb
you must not backcomb
he must not backcomb
we must not backcomb
you must not backcomb
they must not backcomb 	I must not be backcombing
you must not be backcombing
he must not be backcombing
we must not be backcombing
you must not be backcombing
they must not be backcombing	I must not have backcombed
you must not have backcombed
he must not have backcombed
we must not have backcombed
you must not have backcombed
they must not have backcombed	I must not have been backcombing
you must not have been backcombing
he must not have been backcombing
we must not have been backcombing
you must not have been backcombing
they must not have been backcombing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I backcomb?
must you backcomb?
must he backcomb?
must we backcomb?
must you backcomb?
must they backcomb? 	must I be backcombing?
must you be backcombing?
must he be backcombing?
must we be backcombing?
must you be backcombing?
must they be backcombing? 	must I have backcombed?
must you have backcombed?
must he have backcombed?
must we have backcombed?
must you have backcombed?
must they have backcombed? 	must I have been backcombing?
must you have been backcombing?
must he have been backcombing?
must we have been backcombing?
must you have been backcombing?
must they have been backcombing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not backcomb?
must you not backcomb?
must he not backcomb?
must we not backcomb?
must you not backcomb?
must they not backcomb? 	must I not be backcombing?
must you not be backcombing?
must he not be backcombing?
must we not be backcombing?
must you not be backcombing?
must they not be backcombing? 	must I not have backcombed?
must you not have backcombed?
must he not have backcombed?
must we not have backcombed?
must you not have backcombed?
must they not have backcombed? 	must I not have been backcombing?
must you not have been backcombing?
must he not have been backcombing?
must we not have been backcombing?
must you not have been backcombing?
must they not have been backcombing?