must infill
Verbo regular: infill - infilled- infilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must infill
you must infill
he must infill
we must infill
you must infill
they must infill 	I must be infilling
you must be infilling
he must be infilling
we must be infilling
you must be infilling
they must be infilling	I must have infilled
you must have infilled
he must have infilled
we must have infilled
you must have infilled
they must have infilled	I must have been infilling
you must have been infilling
he must have been infilling
we must have been infilling
you must have been infilling
they must have been infilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not infill
you must not infill
he must not infill
we must not infill
you must not infill
they must not infill 	I must not be infilling
you must not be infilling
he must not be infilling
we must not be infilling
you must not be infilling
they must not be infilling	I must not have infilled
you must not have infilled
he must not have infilled
we must not have infilled
you must not have infilled
they must not have infilled	I must not have been infilling
you must not have been infilling
he must not have been infilling
we must not have been infilling
you must not have been infilling
they must not have been infilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I infill?
must you infill?
must he infill?
must we infill?
must you infill?
must they infill? 	must I be infilling?
must you be infilling?
must he be infilling?
must we be infilling?
must you be infilling?
must they be infilling? 	must I have infilled?
must you have infilled?
must he have infilled?
must we have infilled?
must you have infilled?
must they have infilled? 	must I have been infilling?
must you have been infilling?
must he have been infilling?
must we have been infilling?
must you have been infilling?
must they have been infilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not infill?
must you not infill?
must he not infill?
must we not infill?
must you not infill?
must they not infill? 	must I not be infilling?
must you not be infilling?
must he not be infilling?
must we not be infilling?
must you not be infilling?
must they not be infilling? 	must I not have infilled?
must you not have infilled?
must he not have infilled?
must we not have infilled?
must you not have infilled?
must they not have infilled? 	must I not have been infilling?
must you not have been infilling?
must he not have been infilling?
must we not have been infilling?
must you not have been infilling?
must they not have been infilling?