ought to harvest
Regular verb: harvest - harvested- harvested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to harvest
you ought to harvest
she ought to harvest
we ought to harvest
you ought to harvest
they ought to harvest 	I ought to be harvesting
you ought to be harvesting
she ought to be harvesting
we ought to be harvesting
you ought to be harvesting
they ought to be harvesting	I ought to have harvested
you ought to have harvested
she ought to have harvested
we ought to have harvested
you ought to have harvested
they ought to have harvested	I ought to have been harvesting
you ought to have been harvesting
she ought to have been harvesting
we ought to have been harvesting
you ought to have been harvesting
they ought to have been harvesting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to harvest
you oughtn't to harvest
she oughtn't to harvest
we oughtn't to harvest
you oughtn't to harvest
they oughtn't to harvest 	I oughtn't to be harvesting
you oughtn't to be harvesting
she oughtn't to be harvesting
we oughtn't to be harvesting
you oughtn't to be harvesting
they oughtn't to be harvesting	I oughtn't to have harvested
you oughtn't to have harvested
she oughtn't to have harvested
we oughtn't to have harvested
you oughtn't to have harvested
they oughtn't to have harvested	I oughtn't to have been harvesting
you oughtn't to have been harvesting
she oughtn't to have been harvesting
we oughtn't to have been harvesting
you oughtn't to have been harvesting
they oughtn't to have been harvesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I harvest?
ought to you harvest?
ought to she harvest?
ought to we harvest?
ought to you harvest?
ought to they harvest? 	ought to I be harvesting?
ought to you be harvesting?
ought to she be harvesting?
ought to we be harvesting?
ought to you be harvesting?
ought to they be harvesting? 	ought to I have harvested?
ought to you have harvested?
ought to she have harvested?
ought to we have harvested?
ought to you have harvested?
ought to they have harvested? 	ought to I have been harvesting?
ought to you have been harvesting?
ought to she have been harvesting?
ought to we have been harvesting?
ought to you have been harvesting?
ought to they have been harvesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to harvest?
oughtn't you to harvest?
oughtn't she to harvest?
oughtn't we to harvest?
oughtn't you to harvest?
oughtn't they to harvest? 	oughtn't I to be harvesting?
oughtn't you to be harvesting?
oughtn't she to be harvesting?
oughtn't we to be harvesting?
oughtn't you to be harvesting?
oughtn't they to be harvesting? 	oughtn't I to have harvested?
oughtn't you to have harvested?
oughtn't she to have harvested?
oughtn't we to have harvested?
oughtn't you to have harvested?
oughtn't they to have harvested? 	oughtn't I to have been harvesting?
oughtn't you to have been harvesting?
oughtn't she to have been harvesting?
oughtn't we to have been harvesting?
oughtn't you to have been harvesting?
oughtn't they to have been harvesting?