English verb conjugation
SHALL OVERSTAFF

Regular verb: overstaff - overstaffed - overstaffed

Affirmation

Simple form	V-ing form
I shall overstaff you shall overstaff he shall overstaff we shall overstaff you shall overstaff they shall overstaff	I shall be overstaffing you shall be overstaffing he shall be overstaffing we shall be overstaffing you shall be overstaffing they shall be overstaffing
Perfect	V-ing perfect
I shall have overstaffed you shall have overstaffed he shall have overstaffed we shall have overstaffed you shall have overstaffed they shall have overstaffed	I shall have been overstaffing you shall have been overstaffing he shall have been overstaffing we shall have been overstaffing you shall have been overstaffing they shall have been overstaffing

Negation

Simple form	V-ing form
I shall not overstaff you shall not overstaff he shall not overstaff we shall not overstaff you shall not overstaff they shall not overstaff	I shall not be overstaffing you shall not be overstaffing he shall not be overstaffing we shall not be overstaffing you shall not be overstaffing they shall not be overstaffing
Perfect	V-ing perfect
I shall not have overstaffed you shall not have overstaffed he shall not have overstaffed we shall not have overstaffed you shall not have overstaffed they shall not have overstaffed	I shall not have been overstaffing you shall not have been overstaffing he shall not have been overstaffing we shall not have been overstaffing you shall not have been overstaffing they shall not have been overstaffing

Interrogative form

Simple form	V-ing form
shall I overstaff? shall you overstaff? shall he overstaff? shall we overstaff? shall you overstaff? shall they overstaff?	shall I be overstaffing? shall you be overstaffing? shall he be overstaffing? shall we be overstaffing? shall you be overstaffing? shall they be overstaffing?
Perfect	V-ing perfect
shall I have overstaffed? shall you have overstaffed? shall he have overstaffed? shall we have overstaffed? shall you have overstaffed? shall they have overstaffed?	shall I have been overstaffing? shall you have been overstaffing? shall he have been overstaffing? shall we have been overstaffing? shall you have been overstaffing? shall they have been overstaffing?

Interro-negative form

Simple form	V-ing form
shall I not overstaff? shall you not overstaff? shall he not overstaff? shall we not overstaff? shall you not overstaff? shall they not overstaff?	shall I not be overstaffing? shall you not be overstaffing? shall he not be overstaffing? shall we not be overstaffing? shall you not be overstaffing? shall they not be overstaffing?
Perfect	V-ing perfect
shall I not have overstaffed? shall you not have overstaffed? shall he not have overstaffed? shall we not have overstaffed? shall you not have overstaffed? shall they not have overstaffed?	shall I not have been overstaffing? shall you not have been overstaffing? shall he not have been overstaffing? shall we not have been overstaffing? shall you not have been overstaffing? shall they not have been overstaffing?