English verb conjugation
OUGHT TO ESTIMATE

Regular verb: estimate - estimated - estimated

Affirmation

Simple form	V-ing form
I ought to estimate you ought to estimate she ought to estimate we ought to estimate you ought to estimate they ought to estimate	I ought to be estimating you ought to be estimating she ought to be estimating we ought to be estimating you ought to be estimating they ought to be estimating
Perfect	V-ing perfect
I ought to have estimated you ought to have estimated she ought to have estimated we ought to have estimated you ought to have estimated they ought to have estimated	I ought to have been estimating you ought to have been estimating she ought to have been estimating we ought to have been estimating you ought to have been estimating they ought to have been estimating

Negation

Simple form	V-ing form
I oughtn't to estimate you oughtn't to estimate she oughtn't to estimate we oughtn't to estimate you oughtn't to estimate they oughtn't to estimate	I oughtn't to be estimating you oughtn't to be estimating she oughtn't to be estimating we oughtn't to be estimating you oughtn't to be estimating they oughtn't to be estimating
Perfect	V-ing perfect
I oughtn't to have estimated you oughtn't to have estimated she oughtn't to have estimated we oughtn't to have estimated you oughtn't to have estimated they oughtn't to have estimated	I oughtn't to have been estimating you oughtn't to have been estimating she oughtn't to have been estimating we oughtn't to have been estimating you oughtn't to have been estimating they oughtn't to have been estimating

Interrogative form

Simple form	V-ing form
ought to I estimate? ought to you estimate? ought to she estimate? ought to we estimate? ought to you estimate? ought to they estimate?	ought to I be estimating? ought to you be estimating? ought to she be estimating? ought to we be estimating? ought to you be estimating? ought to they be estimating?
Perfect	V-ing perfect
ought to I have estimated? ought to you have estimated? ought to she have estimated? ought to we have estimated? ought to you have estimated? ought to they have estimated?	ought to I have been estimating? ought to you have been estimating? ought to she have been estimating? ought to we have been estimating? ought to you have been estimating? ought to they have been estimating?

Interro-negative form

Simple form	V-ing form
oughtn't I to estimate? oughtn't you to estimate? oughtn't she to estimate? oughtn't we to estimate? oughtn't you to estimate? oughtn't they to estimate?	oughtn't I to be estimating? oughtn't you to be estimating? oughtn't she to be estimating? oughtn't we to be estimating? oughtn't you to be estimating? oughtn't they to be estimating?
Perfect	V-ing perfect
oughtn't I to have estimated? oughtn't you to have estimated? oughtn't she to have estimated? oughtn't we to have estimated? oughtn't you to have estimated? oughtn't they to have estimated?	oughtn't I to have been estimating? oughtn't you to have been estimating? oughtn't she to have been estimating? oughtn't we to have been estimating? oughtn't you to have been estimating? oughtn't they to have been estimating?