must tab
Verbo regular: tab - tabed- tabed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must tab
you must tab
he must tab
we must tab
you must tab
they must tab 	I must be tabing
you must be tabing
he must be tabing
we must be tabing
you must be tabing
they must be tabing	I must have tabed
you must have tabed
he must have tabed
we must have tabed
you must have tabed
they must have tabed	I must have been tabing
you must have been tabing
he must have been tabing
we must have been tabing
you must have been tabing
they must have been tabing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not tab
you must not tab
he must not tab
we must not tab
you must not tab
they must not tab 	I must not be tabing
you must not be tabing
he must not be tabing
we must not be tabing
you must not be tabing
they must not be tabing	I must not have tabed
you must not have tabed
he must not have tabed
we must not have tabed
you must not have tabed
they must not have tabed	I must not have been tabing
you must not have been tabing
he must not have been tabing
we must not have been tabing
you must not have been tabing
they must not have been tabing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I tab?
must you tab?
must he tab?
must we tab?
must you tab?
must they tab? 	must I be tabing?
must you be tabing?
must he be tabing?
must we be tabing?
must you be tabing?
must they be tabing? 	must I have tabed?
must you have tabed?
must he have tabed?
must we have tabed?
must you have tabed?
must they have tabed? 	must I have been tabing?
must you have been tabing?
must he have been tabing?
must we have been tabing?
must you have been tabing?
must they have been tabing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not tab?
must you not tab?
must he not tab?
must we not tab?
must you not tab?
must they not tab? 	must I not be tabing?
must you not be tabing?
must he not be tabing?
must we not be tabing?
must you not be tabing?
must they not be tabing? 	must I not have tabed?
must you not have tabed?
must he not have tabed?
must we not have tabed?
must you not have tabed?
must they not have tabed? 	must I not have been tabing?
must you not have been tabing?
must he not have been tabing?
must we not have been tabing?
must you not have been tabing?
must they not have been tabing?