must taboo
Verbo regular: taboo - tabooed- tabooed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must taboo
you must taboo
he must taboo
we must taboo
you must taboo
they must taboo 	I must be tabooing
you must be tabooing
he must be tabooing
we must be tabooing
you must be tabooing
they must be tabooing	I must have tabooed
you must have tabooed
he must have tabooed
we must have tabooed
you must have tabooed
they must have tabooed	I must have been tabooing
you must have been tabooing
he must have been tabooing
we must have been tabooing
you must have been tabooing
they must have been tabooing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not taboo
you must not taboo
he must not taboo
we must not taboo
you must not taboo
they must not taboo 	I must not be tabooing
you must not be tabooing
he must not be tabooing
we must not be tabooing
you must not be tabooing
they must not be tabooing	I must not have tabooed
you must not have tabooed
he must not have tabooed
we must not have tabooed
you must not have tabooed
they must not have tabooed	I must not have been tabooing
you must not have been tabooing
he must not have been tabooing
we must not have been tabooing
you must not have been tabooing
they must not have been tabooing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I taboo?
must you taboo?
must he taboo?
must we taboo?
must you taboo?
must they taboo? 	must I be tabooing?
must you be tabooing?
must he be tabooing?
must we be tabooing?
must you be tabooing?
must they be tabooing? 	must I have tabooed?
must you have tabooed?
must he have tabooed?
must we have tabooed?
must you have tabooed?
must they have tabooed? 	must I have been tabooing?
must you have been tabooing?
must he have been tabooing?
must we have been tabooing?
must you have been tabooing?
must they have been tabooing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not taboo?
must you not taboo?
must he not taboo?
must we not taboo?
must you not taboo?
must they not taboo? 	must I not be tabooing?
must you not be tabooing?
must he not be tabooing?
must we not be tabooing?
must you not be tabooing?
must they not be tabooing? 	must I not have tabooed?
must you not have tabooed?
must he not have tabooed?
must we not have tabooed?
must you not have tabooed?
must they not have tabooed? 	must I not have been tabooing?
must you not have been tabooing?
must he not have been tabooing?
must we not have been tabooing?
must you not have been tabooing?
must they not have been tabooing?