English verb conjugation
MAY VOUCHER

Regular verb: voucher - vouchered - vouchered

Affirmation

Simple form	V-ing form
I may voucher you may voucher he may voucher we may voucher you may voucher they may voucher	I may be vouchering you may be vouchering he may be vouchering we may be vouchering you may be vouchering they may be vouchering
Perfect	V-ing perfect
I may have vouchered you may have vouchered he may have vouchered we may have vouchered you may have vouchered they may have vouchered	I may have been vouchering you may have been vouchering he may have been vouchering we may have been vouchering you may have been vouchering they may have been vouchering

Negation

Simple form	V-ing form
I may not voucher you may not voucher he may not voucher we may not voucher you may not voucher they may not voucher	I may not be vouchering you may not be vouchering he may not be vouchering we may not be vouchering you may not be vouchering they may not be vouchering
Perfect	V-ing perfect
I may not have vouchered you may not have vouchered he may not have vouchered we may not have vouchered you may not have vouchered they may not have vouchered	I may not have been vouchering you may not have been vouchering he may not have been vouchering we may not have been vouchering you may not have been vouchering they may not have been vouchering

Interrogative form

Simple form	V-ing form
may I voucher? may you voucher? may he voucher? may we voucher? may you voucher? may they voucher?	may I be vouchering? may you be vouchering? may he be vouchering? may we be vouchering? may you be vouchering? may they be vouchering?
Perfect	V-ing perfect
may I have vouchered? may you have vouchered? may he have vouchered? may we have vouchered? may you have vouchered? may they have vouchered?	may I have been vouchering? may you have been vouchering? may he have been vouchering? may we have been vouchering? may you have been vouchering? may they have been vouchering?

Interro-negative form

Simple form	V-ing form
may I not voucher? may you not voucher? may he not voucher? may we not voucher? may you not voucher? may they not voucher?	may I not be vouchering? may you not be vouchering? may he not be vouchering? may we not be vouchering? may you not be vouchering? may they not be vouchering?
Perfect	V-ing perfect
may I not have vouchered? may you not have vouchered? may he not have vouchered? may we not have vouchered? may you not have vouchered? may they not have vouchered?	may I not have been vouchering? may you not have been vouchering? may he not have been vouchering? may we not have been vouchering? may you not have been vouchering? may they not have been vouchering?