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
she must backcomb
we must backcomb
you must backcomb
they must backcomb 	I must be backcombing
you must be backcombing
she must be backcombing
we must be backcombing
you must be backcombing
they must be backcombing	I must have backcombed
you must have backcombed
she 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
she 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 mustn't backcomb
you mustn't backcomb
she mustn't backcomb
we mustn't backcomb
you mustn't backcomb
they mustn't backcomb 	I mustn't be backcombing
you mustn't be backcombing
she mustn't be backcombing
we mustn't be backcombing
you mustn't be backcombing
they mustn't be backcombing	I mustn't have backcombed
you mustn't have backcombed
she mustn't have backcombed
we mustn't have backcombed
you mustn't have backcombed
they mustn't have backcombed	I mustn't have been backcombing
you mustn't have been backcombing
she mustn't have been backcombing
we mustn't have been backcombing
you mustn't have been backcombing
they mustn't have been backcombing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I backcomb?
must you backcomb?
must she backcomb?
must we backcomb?
must you backcomb?
must they backcomb? 	must I be backcombing?
must you be backcombing?
must she be backcombing?
must we be backcombing?
must you be backcombing?
must they be backcombing? 	must I have backcombed?
must you have backcombed?
must she 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 she 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 	
mustn't I backcomb?
mustn't you backcomb?
mustn't she backcomb?
mustn't we backcomb?
mustn't you backcomb?
mustn't they backcomb? 	mustn't I be backcombing?
mustn't you be backcombing?
mustn't she be backcombing?
mustn't we be backcombing?
mustn't you be backcombing?
mustn't they be backcombing? 	mustn't I have backcombed?
mustn't you have backcombed?
mustn't she have backcombed?
mustn't we have backcombed?
mustn't you have backcombed?
mustn't they have backcombed? 	mustn't I have been backcombing?
mustn't you have been backcombing?
mustn't she have been backcombing?
mustn't we have been backcombing?
mustn't you have been backcombing?
mustn't they have been backcombing?