must erode
Verbo regolare: erode - eroded- eroded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must erode
you must erode
she must erode
we must erode
you must erode
they must erode 	I must be eroding
you must be eroding
she must be eroding
we must be eroding
you must be eroding
they must be eroding	I must have eroded
you must have eroded
she must have eroded
we must have eroded
you must have eroded
they must have eroded	I must have been eroding
you must have been eroding
she must have been eroding
we must have been eroding
you must have been eroding
they must have been eroding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not erode
you must not erode
she must not erode
we must not erode
you must not erode
they must not erode 	I must not be eroding
you must not be eroding
she must not be eroding
we must not be eroding
you must not be eroding
they must not be eroding	I must not have eroded
you must not have eroded
she must not have eroded
we must not have eroded
you must not have eroded
they must not have eroded	I must not have been eroding
you must not have been eroding
she must not have been eroding
we must not have been eroding
you must not have been eroding
they must not have been eroding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I erode?
must you erode?
must she erode?
must we erode?
must you erode?
must they erode? 	must I be eroding?
must you be eroding?
must she be eroding?
must we be eroding?
must you be eroding?
must they be eroding? 	must I have eroded?
must you have eroded?
must she have eroded?
must we have eroded?
must you have eroded?
must they have eroded? 	must I have been eroding?
must you have been eroding?
must she have been eroding?
must we have been eroding?
must you have been eroding?
must they have been eroding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not erode?
must you not erode?
must she not erode?
must we not erode?
must you not erode?
must they not erode? 	must I not be eroding?
must you not be eroding?
must she not be eroding?
must we not be eroding?
must you not be eroding?
must they not be eroding? 	must I not have eroded?
must you not have eroded?
must she not have eroded?
must we not have eroded?
must you not have eroded?
must they not have eroded? 	must I not have been eroding?
must you not have been eroding?
must she not have been eroding?
must we not have been eroding?
must you not have been eroding?
must they not have been eroding?