English verb conjugation
MAY PREINSTRUCT

Regular verb: preinstruct - preinstructed - preinstructed

Affirmation

Simple form	V-ing form
I may preinstruct you may preinstruct she may preinstruct we may preinstruct you may preinstruct they may preinstruct	I may be preinstructing you may be preinstructing she may be preinstructing we may be preinstructing you may be preinstructing they may be preinstructing
Perfect	V-ing perfect
I may have preinstructed you may have preinstructed she may have preinstructed we may have preinstructed you may have preinstructed they may have preinstructed	I may have been preinstructing you may have been preinstructing she may have been preinstructing we may have been preinstructing you may have been preinstructing they may have been preinstructing

Negation

Simple form	V-ing form
I may not preinstruct you may not preinstruct she may not preinstruct we may not preinstruct you may not preinstruct they may not preinstruct	I may not be preinstructing you may not be preinstructing she may not be preinstructing we may not be preinstructing you may not be preinstructing they may not be preinstructing
Perfect	V-ing perfect
I may not have preinstructed you may not have preinstructed she may not have preinstructed we may not have preinstructed you may not have preinstructed they may not have preinstructed	I may not have been preinstructing you may not have been preinstructing she may not have been preinstructing we may not have been preinstructing you may not have been preinstructing they may not have been preinstructing

Interrogative form

Simple form	V-ing form
may I preinstruct? may you preinstruct? may she preinstruct? may we preinstruct? may you preinstruct? may they preinstruct?	may I be preinstructing? may you be preinstructing? may she be preinstructing? may we be preinstructing? may you be preinstructing? may they be preinstructing?
Perfect	V-ing perfect
may I have preinstructed? may you have preinstructed? may she have preinstructed? may we have preinstructed? may you have preinstructed? may they have preinstructed?	may I have been preinstructing? may you have been preinstructing? may she have been preinstructing? may we have been preinstructing? may you have been preinstructing? may they have been preinstructing?

Interro-negative form

Simple form	V-ing form
may I not preinstruct? may you not preinstruct? may she not preinstruct? may we not preinstruct? may you not preinstruct? may they not preinstruct?	may I not be preinstructing? may you not be preinstructing? may she not be preinstructing? may we not be preinstructing? may you not be preinstructing? may they not be preinstructing?
Perfect	V-ing perfect
may I not have preinstructed? may you not have preinstructed? may she not have preinstructed? may we not have preinstructed? may you not have preinstructed? may they not have preinstructed?	may I not have been preinstructing? may you not have been preinstructing? may she not have been preinstructing? may we not have been preinstructing? may you not have been preinstructing? may they not have been preinstructing?