I ought to forest you ought to forest she ought to forest we ought to forest you ought to forest they ought to forest
V-ing form
I ought to be foresting you ought to be foresting she ought to be foresting we ought to be foresting you ought to be foresting they ought to be foresting
Perfect
I ought to have forested you ought to have forested she ought to have forested we ought to have forested you ought to have forested they ought to have forested
V-ing perfect
I ought to have been foresting you ought to have been foresting she ought to have been foresting we ought to have been foresting you ought to have been foresting they ought to have been foresting
Negation
Simple form
I oughtn't to forest you oughtn't to forest she oughtn't to forest we oughtn't to forest you oughtn't to forest they oughtn't to forest
V-ing form
I oughtn't to be foresting you oughtn't to be foresting she oughtn't to be foresting we oughtn't to be foresting you oughtn't to be foresting they oughtn't to be foresting
Perfect
I oughtn't to have forested you oughtn't to have forested she oughtn't to have forested we oughtn't to have forested you oughtn't to have forested they oughtn't to have forested
V-ing perfect
I oughtn't to have been foresting you oughtn't to have been foresting she oughtn't to have been foresting we oughtn't to have been foresting you oughtn't to have been foresting they oughtn't to have been foresting
Interrogative form
Simple form
ought to I forest? ought to you forest? ought to she forest? ought to we forest? ought to you forest? ought to they forest?
V-ing form
ought to I be foresting? ought to you be foresting? ought to she be foresting? ought to we be foresting? ought to you be foresting? ought to they be foresting?
Perfect
ought to I have forested? ought to you have forested? ought to she have forested? ought to we have forested? ought to you have forested? ought to they have forested?
V-ing perfect
ought to I have been foresting? ought to you have been foresting? ought to she have been foresting? ought to we have been foresting? ought to you have been foresting? ought to they have been foresting?
Interro-negative form
Simple form
oughtn't I to forest? oughtn't you to forest? oughtn't she to forest? oughtn't we to forest? oughtn't you to forest? oughtn't they to forest?
V-ing form
oughtn't I to be foresting? oughtn't you to be foresting? oughtn't she to be foresting? oughtn't we to be foresting? oughtn't you to be foresting? oughtn't they to be foresting?
Perfect
oughtn't I to have forested? oughtn't you to have forested? oughtn't she to have forested? oughtn't we to have forested? oughtn't you to have forested? oughtn't they to have forested?
V-ing perfect
oughtn't I to have been foresting? oughtn't you to have been foresting? oughtn't she to have been foresting? oughtn't we to have been foresting? oughtn't you to have been foresting? oughtn't they to have been foresting?