shall estimate
Regular verb: estimate - estimated- estimated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall estimate
you shall estimate
she shall estimate
we shall estimate
you shall estimate
they shall estimate 	I shall be estimating
you shall be estimating
she shall be estimating
we shall be estimating
you shall be estimating
they shall be estimating	I shall have estimated
you shall have estimated
she shall have estimated
we shall have estimated
you shall have estimated
they shall have estimated	I shall have been estimating
you shall have been estimating
she shall have been estimating
we shall have been estimating
you shall have been estimating
they shall have been estimating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not estimate
you shall not estimate
she shall not estimate
we shall not estimate
you shall not estimate
they shall not estimate 	I shall not be estimating
you shall not be estimating
she shall not be estimating
we shall not be estimating
you shall not be estimating
they shall not be estimating	I shall not have estimated
you shall not have estimated
she shall not have estimated
we shall not have estimated
you shall not have estimated
they shall not have estimated	I shall not have been estimating
you shall not have been estimating
she shall not have been estimating
we shall not have been estimating
you shall not have been estimating
they shall not have been estimating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I estimate?
shall you estimate?
shall she estimate?
shall we estimate?
shall you estimate?
shall they estimate? 	shall I be estimating?
shall you be estimating?
shall she be estimating?
shall we be estimating?
shall you be estimating?
shall they be estimating? 	shall I have estimated?
shall you have estimated?
shall she have estimated?
shall we have estimated?
shall you have estimated?
shall they have estimated? 	shall I have been estimating?
shall you have been estimating?
shall she have been estimating?
shall we have been estimating?
shall you have been estimating?
shall they have been estimating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not estimate?
shall you not estimate?
shall she not estimate?
shall we not estimate?
shall you not estimate?
shall they not estimate? 	shall I not be estimating?
shall you not be estimating?
shall she not be estimating?
shall we not be estimating?
shall you not be estimating?
shall they not be estimating? 	shall I not have estimated?
shall you not have estimated?
shall she not have estimated?
shall we not have estimated?
shall you not have estimated?
shall they not have estimated? 	shall I not have been estimating?
shall you not have been estimating?
shall she not have been estimating?
shall we not have been estimating?
shall you not have been estimating?
shall they not have been estimating?