English verb conjugation
MAY PREOBTAIN

Regular verb: preobtain - preobtained - preobtained

Affirmation

Simple form	V-ing form
I may preobtain you may preobtain he may preobtain we may preobtain you may preobtain they may preobtain	I may be preobtaining you may be preobtaining he may be preobtaining we may be preobtaining you may be preobtaining they may be preobtaining
Perfect	V-ing perfect
I may have preobtained you may have preobtained he may have preobtained we may have preobtained you may have preobtained they may have preobtained	I may have been preobtaining you may have been preobtaining he may have been preobtaining we may have been preobtaining you may have been preobtaining they may have been preobtaining

Negation

Simple form	V-ing form
I may not preobtain you may not preobtain he may not preobtain we may not preobtain you may not preobtain they may not preobtain	I may not be preobtaining you may not be preobtaining he may not be preobtaining we may not be preobtaining you may not be preobtaining they may not be preobtaining
Perfect	V-ing perfect
I may not have preobtained you may not have preobtained he may not have preobtained we may not have preobtained you may not have preobtained they may not have preobtained	I may not have been preobtaining you may not have been preobtaining he may not have been preobtaining we may not have been preobtaining you may not have been preobtaining they may not have been preobtaining

Interrogative form

Simple form	V-ing form
may I preobtain? may you preobtain? may he preobtain? may we preobtain? may you preobtain? may they preobtain?	may I be preobtaining? may you be preobtaining? may he be preobtaining? may we be preobtaining? may you be preobtaining? may they be preobtaining?
Perfect	V-ing perfect
may I have preobtained? may you have preobtained? may he have preobtained? may we have preobtained? may you have preobtained? may they have preobtained?	may I have been preobtaining? may you have been preobtaining? may he have been preobtaining? may we have been preobtaining? may you have been preobtaining? may they have been preobtaining?

Interro-negative form

Simple form	V-ing form
may I not preobtain? may you not preobtain? may he not preobtain? may we not preobtain? may you not preobtain? may they not preobtain?	may I not be preobtaining? may you not be preobtaining? may he not be preobtaining? may we not be preobtaining? may you not be preobtaining? may they not be preobtaining?
Perfect	V-ing perfect
may I not have preobtained? may you not have preobtained? may he not have preobtained? may we not have preobtained? may you not have preobtained? may they not have preobtained?	may I not have been preobtaining? may you not have been preobtaining? may he not have been preobtaining? may we not have been preobtaining? may you not have been preobtaining? may they not have been preobtaining?