shall understate
Regular verb: understate - understated- understated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall understate
you shall understate
she shall understate
we shall understate
you shall understate
they shall understate 	I shall be understating
you shall be understating
she shall be understating
we shall be understating
you shall be understating
they shall be understating	I shall have understated
you shall have understated
she shall have understated
we shall have understated
you shall have understated
they shall have understated	I shall have been understating
you shall have been understating
she shall have been understating
we shall have been understating
you shall have been understating
they shall have been understating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not understate
you shall not understate
she shall not understate
we shall not understate
you shall not understate
they shall not understate 	I shall not be understating
you shall not be understating
she shall not be understating
we shall not be understating
you shall not be understating
they shall not be understating	I shall not have understated
you shall not have understated
she shall not have understated
we shall not have understated
you shall not have understated
they shall not have understated	I shall not have been understating
you shall not have been understating
she shall not have been understating
we shall not have been understating
you shall not have been understating
they shall not have been understating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I understate?
shall you understate?
shall she understate?
shall we understate?
shall you understate?
shall they understate? 	shall I be understating?
shall you be understating?
shall she be understating?
shall we be understating?
shall you be understating?
shall they be understating? 	shall I have understated?
shall you have understated?
shall she have understated?
shall we have understated?
shall you have understated?
shall they have understated? 	shall I have been understating?
shall you have been understating?
shall she have been understating?
shall we have been understating?
shall you have been understating?
shall they have been understating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not understate?
shall you not understate?
shall she not understate?
shall we not understate?
shall you not understate?
shall they not understate? 	shall I not be understating?
shall you not be understating?
shall she not be understating?
shall we not be understating?
shall you not be understating?
shall they not be understating? 	shall I not have understated?
shall you not have understated?
shall she not have understated?
shall we not have understated?
shall you not have understated?
shall they not have understated? 	shall I not have been understating?
shall you not have been understating?
shall she not have been understating?
shall we not have been understating?
shall you not have been understating?
shall they not have been understating?