may backdate
Regelmä&szlig;iges Verb: backdate - backdated- backdated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I may backdate
you may backdate
she may backdate
we may backdate
you may backdate
they may backdate 	I may be backdating
you may be backdating
she may be backdating
we may be backdating
you may be backdating
they may be backdating	I may have backdated
you may have backdated
she may have backdated
we may have backdated
you may have backdated
they may have backdated	I may have been backdating
you may have been backdating
she may have been backdating
we may have been backdating
you may have been backdating
they may have been backdating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mayn't backdate
you mayn't backdate
she mayn't backdate
we mayn't backdate
you mayn't backdate
they mayn't backdate 	I mayn't be backdating
you mayn't be backdating
she mayn't be backdating
we mayn't be backdating
you mayn't be backdating
they mayn't be backdating	I mayn't have backdated
you mayn't have backdated
she mayn't have backdated
we mayn't have backdated
you mayn't have backdated
they mayn't have backdated	I mayn't have been backdating
you mayn't have been backdating
she mayn't have been backdating
we mayn't have been backdating
you mayn't have been backdating
they mayn't have been backdating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
may I backdate?
may you backdate?
may she backdate?
may we backdate?
may you backdate?
may they backdate? 	may I be backdating?
may you be backdating?
may she be backdating?
may we be backdating?
may you be backdating?
may they be backdating? 	may I have backdated?
may you have backdated?
may she have backdated?
may we have backdated?
may you have backdated?
may they have backdated? 	may I have been backdating?
may you have been backdating?
may she have been backdating?
may we have been backdating?
may you have been backdating?
may they have been backdating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mayn't I backdate?
mayn't you backdate?
mayn't she backdate?
mayn't we backdate?
mayn't you backdate?
mayn't they backdate? 	mayn't I be backdating?
mayn't you be backdating?
mayn't she be backdating?
mayn't we be backdating?
mayn't you be backdating?
mayn't they be backdating? 	mayn't I have backdated?
mayn't you have backdated?
mayn't she have backdated?
mayn't we have backdated?
mayn't you have backdated?
mayn't they have backdated? 	mayn't I have been backdating?
mayn't you have been backdating?
mayn't she have been backdating?
mayn't we have been backdating?
mayn't you have been backdating?
mayn't they have been backdating?