ought to overstaff
Regular verb: overstaff - overstaffed- overstaffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overstaff
you ought to overstaff
she ought to overstaff
we ought to overstaff
you ought to overstaff
they ought to overstaff 	I ought to be overstaffing
you ought to be overstaffing
she ought to be overstaffing
we ought to be overstaffing
you ought to be overstaffing
they ought to be overstaffing	I ought to have overstaffed
you ought to have overstaffed
she ought to have overstaffed
we ought to have overstaffed
you ought to have overstaffed
they ought to have overstaffed	I ought to have been overstaffing
you ought to have been overstaffing
she ought to have been overstaffing
we ought to have been overstaffing
you ought to have been overstaffing
they ought to have been overstaffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to overstaff
you oughtn't to overstaff
she oughtn't to overstaff
we oughtn't to overstaff
you oughtn't to overstaff
they oughtn't to overstaff 	I oughtn't to be overstaffing
you oughtn't to be overstaffing
she oughtn't to be overstaffing
we oughtn't to be overstaffing
you oughtn't to be overstaffing
they oughtn't to be overstaffing	I oughtn't to have overstaffed
you oughtn't to have overstaffed
she oughtn't to have overstaffed
we oughtn't to have overstaffed
you oughtn't to have overstaffed
they oughtn't to have overstaffed	I oughtn't to have been overstaffing
you oughtn't to have been overstaffing
she oughtn't to have been overstaffing
we oughtn't to have been overstaffing
you oughtn't to have been overstaffing
they oughtn't to have been overstaffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overstaff?
ought to you overstaff?
ought to she overstaff?
ought to we overstaff?
ought to you overstaff?
ought to they overstaff? 	ought to I be overstaffing?
ought to you be overstaffing?
ought to she be overstaffing?
ought to we be overstaffing?
ought to you be overstaffing?
ought to they be overstaffing? 	ought to I have overstaffed?
ought to you have overstaffed?
ought to she have overstaffed?
ought to we have overstaffed?
ought to you have overstaffed?
ought to they have overstaffed? 	ought to I have been overstaffing?
ought to you have been overstaffing?
ought to she have been overstaffing?
ought to we have been overstaffing?
ought to you have been overstaffing?
ought to they have been overstaffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to overstaff?
oughtn't you to overstaff?
oughtn't she to overstaff?
oughtn't we to overstaff?
oughtn't you to overstaff?
oughtn't they to overstaff? 	oughtn't I to be overstaffing?
oughtn't you to be overstaffing?
oughtn't she to be overstaffing?
oughtn't we to be overstaffing?
oughtn't you to be overstaffing?
oughtn't they to be overstaffing? 	oughtn't I to have overstaffed?
oughtn't you to have overstaffed?
oughtn't she to have overstaffed?
oughtn't we to have overstaffed?
oughtn't you to have overstaffed?
oughtn't they to have overstaffed? 	oughtn't I to have been overstaffing?
oughtn't you to have been overstaffing?
oughtn't she to have been overstaffing?
oughtn't we to have been overstaffing?
oughtn't you to have been overstaffing?
oughtn't they to have been overstaffing?