may estimate
Regular verb: estimate - estimated- estimated

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

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

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

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