must elaborate
Verbo regular: elaborate - elaborated- elaborated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must elaborate
you must elaborate
he must elaborate
we must elaborate
you must elaborate
they must elaborate 	I must be elaborating
you must be elaborating
he must be elaborating
we must be elaborating
you must be elaborating
they must be elaborating	I must have elaborated
you must have elaborated
he must have elaborated
we must have elaborated
you must have elaborated
they must have elaborated	I must have been elaborating
you must have been elaborating
he must have been elaborating
we must have been elaborating
you must have been elaborating
they must have been elaborating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not elaborate
you must not elaborate
he must not elaborate
we must not elaborate
you must not elaborate
they must not elaborate 	I must not be elaborating
you must not be elaborating
he must not be elaborating
we must not be elaborating
you must not be elaborating
they must not be elaborating	I must not have elaborated
you must not have elaborated
he must not have elaborated
we must not have elaborated
you must not have elaborated
they must not have elaborated	I must not have been elaborating
you must not have been elaborating
he must not have been elaborating
we must not have been elaborating
you must not have been elaborating
they must not have been elaborating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I elaborate?
must you elaborate?
must he elaborate?
must we elaborate?
must you elaborate?
must they elaborate? 	must I be elaborating?
must you be elaborating?
must he be elaborating?
must we be elaborating?
must you be elaborating?
must they be elaborating? 	must I have elaborated?
must you have elaborated?
must he have elaborated?
must we have elaborated?
must you have elaborated?
must they have elaborated? 	must I have been elaborating?
must you have been elaborating?
must he have been elaborating?
must we have been elaborating?
must you have been elaborating?
must they have been elaborating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not elaborate?
must you not elaborate?
must he not elaborate?
must we not elaborate?
must you not elaborate?
must they not elaborate? 	must I not be elaborating?
must you not be elaborating?
must he not be elaborating?
must we not be elaborating?
must you not be elaborating?
must they not be elaborating? 	must I not have elaborated?
must you not have elaborated?
must he not have elaborated?
must we not have elaborated?
must you not have elaborated?
must they not have elaborated? 	must I not have been elaborating?
must you not have been elaborating?
must he not have been elaborating?
must we not have been elaborating?
must you not have been elaborating?
must they not have been elaborating?