must bobsled
Verbo regular: bobsled - bobsleded- bobsleded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must bobsled
you must bobsled
he must bobsled
we must bobsled
you must bobsled
they must bobsled 	I must be bobsleding
you must be bobsleding
he must be bobsleding
we must be bobsleding
you must be bobsleding
they must be bobsleding	I must have bobsleded
you must have bobsleded
he must have bobsleded
we must have bobsleded
you must have bobsleded
they must have bobsleded	I must have been bobsleding
you must have been bobsleding
he must have been bobsleding
we must have been bobsleding
you must have been bobsleding
they must have been bobsleding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not bobsled
you must not bobsled
he must not bobsled
we must not bobsled
you must not bobsled
they must not bobsled 	I must not be bobsleding
you must not be bobsleding
he must not be bobsleding
we must not be bobsleding
you must not be bobsleding
they must not be bobsleding	I must not have bobsleded
you must not have bobsleded
he must not have bobsleded
we must not have bobsleded
you must not have bobsleded
they must not have bobsleded	I must not have been bobsleding
you must not have been bobsleding
he must not have been bobsleding
we must not have been bobsleding
you must not have been bobsleding
they must not have been bobsleding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I bobsled?
must you bobsled?
must he bobsled?
must we bobsled?
must you bobsled?
must they bobsled? 	must I be bobsleding?
must you be bobsleding?
must he be bobsleding?
must we be bobsleding?
must you be bobsleding?
must they be bobsleding? 	must I have bobsleded?
must you have bobsleded?
must he have bobsleded?
must we have bobsleded?
must you have bobsleded?
must they have bobsleded? 	must I have been bobsleding?
must you have been bobsleding?
must he have been bobsleding?
must we have been bobsleding?
must you have been bobsleding?
must they have been bobsleding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not bobsled?
must you not bobsled?
must he not bobsled?
must we not bobsled?
must you not bobsled?
must they not bobsled? 	must I not be bobsleding?
must you not be bobsleding?
must he not be bobsleding?
must we not be bobsleding?
must you not be bobsleding?
must they not be bobsleding? 	must I not have bobsleded?
must you not have bobsleded?
must he not have bobsleded?
must we not have bobsleded?
must you not have bobsleded?
must they not have bobsleded? 	must I not have been bobsleding?
must you not have been bobsleding?
must he not have been bobsleding?
must we not have been bobsleding?
must you not have been bobsleding?
must they not have been bobsleding?