must amass
Verbo regular: amass - amassed- amassed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must amass
you must amass
he must amass
we must amass
you must amass
they must amass 	I must be amassing
you must be amassing
he must be amassing
we must be amassing
you must be amassing
they must be amassing	I must have amassed
you must have amassed
he must have amassed
we must have amassed
you must have amassed
they must have amassed	I must have been amassing
you must have been amassing
he must have been amassing
we must have been amassing
you must have been amassing
they must have been amassing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not amass
you must not amass
he must not amass
we must not amass
you must not amass
they must not amass 	I must not be amassing
you must not be amassing
he must not be amassing
we must not be amassing
you must not be amassing
they must not be amassing	I must not have amassed
you must not have amassed
he must not have amassed
we must not have amassed
you must not have amassed
they must not have amassed	I must not have been amassing
you must not have been amassing
he must not have been amassing
we must not have been amassing
you must not have been amassing
they must not have been amassing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I amass?
must you amass?
must he amass?
must we amass?
must you amass?
must they amass? 	must I be amassing?
must you be amassing?
must he be amassing?
must we be amassing?
must you be amassing?
must they be amassing? 	must I have amassed?
must you have amassed?
must he have amassed?
must we have amassed?
must you have amassed?
must they have amassed? 	must I have been amassing?
must you have been amassing?
must he have been amassing?
must we have been amassing?
must you have been amassing?
must they have been amassing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not amass?
must you not amass?
must he not amass?
must we not amass?
must you not amass?
must they not amass? 	must I not be amassing?
must you not be amassing?
must he not be amassing?
must we not be amassing?
must you not be amassing?
must they not be amassing? 	must I not have amassed?
must you not have amassed?
must he not have amassed?
must we not have amassed?
must you not have amassed?
must they not have amassed? 	must I not have been amassing?
must you not have been amassing?
must he not have been amassing?
must we not have been amassing?
must you not have been amassing?
must they not have been amassing?