may rate
Regular verb: rate - rated- rated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rate
you may rate
she may rate
we may rate
you may rate
they may rate 	I may be rating
you may be rating
she may be rating
we may be rating
you may be rating
they may be rating	I may have rated
you may have rated
she may have rated
we may have rated
you may have rated
they may have rated	I may have been rating
you may have been rating
she may have been rating
we may have been rating
you may have been rating
they may have been rating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't rate
you mayn't rate
she mayn't rate
we mayn't rate
you mayn't rate
they mayn't rate 	I mayn't be rating
you mayn't be rating
she mayn't be rating
we mayn't be rating
you mayn't be rating
they mayn't be rating	I mayn't have rated
you mayn't have rated
she mayn't have rated
we mayn't have rated
you mayn't have rated
they mayn't have rated	I mayn't have been rating
you mayn't have been rating
she mayn't have been rating
we mayn't have been rating
you mayn't have been rating
they mayn't have been rating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rate?
may you rate?
may she rate?
may we rate?
may you rate?
may they rate? 	may I be rating?
may you be rating?
may she be rating?
may we be rating?
may you be rating?
may they be rating? 	may I have rated?
may you have rated?
may she have rated?
may we have rated?
may you have rated?
may they have rated? 	may I have been rating?
may you have been rating?
may she have been rating?
may we have been rating?
may you have been rating?
may they have been rating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I rate?
mayn't you rate?
mayn't she rate?
mayn't we rate?
mayn't you rate?
mayn't they rate? 	mayn't I be rating?
mayn't you be rating?
mayn't she be rating?
mayn't we be rating?
mayn't you be rating?
mayn't they be rating? 	mayn't I have rated?
mayn't you have rated?
mayn't she have rated?
mayn't we have rated?
mayn't you have rated?
mayn't they have rated? 	mayn't I have been rating?
mayn't you have been rating?
mayn't she have been rating?
mayn't we have been rating?
mayn't you have been rating?
mayn't they have been rating?