may antedate
Regular verb: antedate - antedated- antedated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may antedate
you may antedate
he may antedate
we may antedate
you may antedate
they may antedate 	I may be antedating
you may be antedating
he may be antedating
we may be antedating
you may be antedating
they may be antedating	I may have antedated
you may have antedated
he may have antedated
we may have antedated
you may have antedated
they may have antedated	I may have been antedating
you may have been antedating
he may have been antedating
we may have been antedating
you may have been antedating
they may have been antedating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not antedate
you may not antedate
he may not antedate
we may not antedate
you may not antedate
they may not antedate 	I may not be antedating
you may not be antedating
he may not be antedating
we may not be antedating
you may not be antedating
they may not be antedating	I may not have antedated
you may not have antedated
he may not have antedated
we may not have antedated
you may not have antedated
they may not have antedated	I may not have been antedating
you may not have been antedating
he may not have been antedating
we may not have been antedating
you may not have been antedating
they may not have been antedating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I antedate?
may you antedate?
may he antedate?
may we antedate?
may you antedate?
may they antedate? 	may I be antedating?
may you be antedating?
may he be antedating?
may we be antedating?
may you be antedating?
may they be antedating? 	may I have antedated?
may you have antedated?
may he have antedated?
may we have antedated?
may you have antedated?
may they have antedated? 	may I have been antedating?
may you have been antedating?
may he have been antedating?
may we have been antedating?
may you have been antedating?
may they have been antedating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not antedate?
may you not antedate?
may he not antedate?
may we not antedate?
may you not antedate?
may they not antedate? 	may I not be antedating?
may you not be antedating?
may he not be antedating?
may we not be antedating?
may you not be antedating?
may they not be antedating? 	may I not have antedated?
may you not have antedated?
may he not have antedated?
may we not have antedated?
may you not have antedated?
may they not have antedated? 	may I not have been antedating?
may you not have been antedating?
may he not have been antedating?
may we not have been antedating?
may you not have been antedating?
may they not have been antedating?