ought to overthrow
Irregular verb: overthrow - overthrew- overthrown

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overthrow
you ought to overthrow
she ought to overthrow
we ought to overthrow
you ought to overthrow
they ought to overthrow 	I ought to be overthrowing
you ought to be overthrowing
she ought to be overthrowing
we ought to be overthrowing
you ought to be overthrowing
they ought to be overthrowing	I ought to have overthrown
you ought to have overthrown
she ought to have overthrown
we ought to have overthrown
you ought to have overthrown
they ought to have overthrown	I ought to have been overthrowing
you ought to have been overthrowing
she ought to have been overthrowing
we ought to have been overthrowing
you ought to have been overthrowing
they ought to have been overthrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to overthrow
you oughtn't to overthrow
she oughtn't to overthrow
we oughtn't to overthrow
you oughtn't to overthrow
they oughtn't to overthrow 	I oughtn't to be overthrowing
you oughtn't to be overthrowing
she oughtn't to be overthrowing
we oughtn't to be overthrowing
you oughtn't to be overthrowing
they oughtn't to be overthrowing	I oughtn't to have overthrown
you oughtn't to have overthrown
she oughtn't to have overthrown
we oughtn't to have overthrown
you oughtn't to have overthrown
they oughtn't to have overthrown	I oughtn't to have been overthrowing
you oughtn't to have been overthrowing
she oughtn't to have been overthrowing
we oughtn't to have been overthrowing
you oughtn't to have been overthrowing
they oughtn't to have been overthrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overthrow?
ought to you overthrow?
ought to she overthrow?
ought to we overthrow?
ought to you overthrow?
ought to they overthrow? 	ought to I be overthrowing?
ought to you be overthrowing?
ought to she be overthrowing?
ought to we be overthrowing?
ought to you be overthrowing?
ought to they be overthrowing? 	ought to I have overthrown?
ought to you have overthrown?
ought to she have overthrown?
ought to we have overthrown?
ought to you have overthrown?
ought to they have overthrown? 	ought to I have been overthrowing?
ought to you have been overthrowing?
ought to she have been overthrowing?
ought to we have been overthrowing?
ought to you have been overthrowing?
ought to they have been overthrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to overthrow?
oughtn't you to overthrow?
oughtn't she to overthrow?
oughtn't we to overthrow?
oughtn't you to overthrow?
oughtn't they to overthrow? 	oughtn't I to be overthrowing?
oughtn't you to be overthrowing?
oughtn't she to be overthrowing?
oughtn't we to be overthrowing?
oughtn't you to be overthrowing?
oughtn't they to be overthrowing? 	oughtn't I to have overthrown?
oughtn't you to have overthrown?
oughtn't she to have overthrown?
oughtn't we to have overthrown?
oughtn't you to have overthrown?
oughtn't they to have overthrown? 	oughtn't I to have been overthrowing?
oughtn't you to have been overthrowing?
oughtn't she to have been overthrowing?
oughtn't we to have been overthrowing?
oughtn't you to have been overthrowing?
oughtn't they to have been overthrowing?