English verb conjugation
OUGHT TO RETREAD

Regular verb: retread - retreaded - retreaded

Affirmation

Simple form	V-ing form
I ought to retread you ought to retread she ought to retread we ought to retread you ought to retread they ought to retread	I ought to be retreading you ought to be retreading she ought to be retreading we ought to be retreading you ought to be retreading they ought to be retreading
Perfect	V-ing perfect
I ought to have retreaded you ought to have retreaded she ought to have retreaded we ought to have retreaded you ought to have retreaded they ought to have retreaded	I ought to have been retreading you ought to have been retreading she ought to have been retreading we ought to have been retreading you ought to have been retreading they ought to have been retreading

Negation

Simple form	V-ing form
I oughtn't to retread you oughtn't to retread she oughtn't to retread we oughtn't to retread you oughtn't to retread they oughtn't to retread	I oughtn't to be retreading you oughtn't to be retreading she oughtn't to be retreading we oughtn't to be retreading you oughtn't to be retreading they oughtn't to be retreading
Perfect	V-ing perfect
I oughtn't to have retreaded you oughtn't to have retreaded she oughtn't to have retreaded we oughtn't to have retreaded you oughtn't to have retreaded they oughtn't to have retreaded	I oughtn't to have been retreading you oughtn't to have been retreading she oughtn't to have been retreading we oughtn't to have been retreading you oughtn't to have been retreading they oughtn't to have been retreading

Interrogative form

Simple form	V-ing form
ought to I retread? ought to you retread? ought to she retread? ought to we retread? ought to you retread? ought to they retread?	ought to I be retreading? ought to you be retreading? ought to she be retreading? ought to we be retreading? ought to you be retreading? ought to they be retreading?
Perfect	V-ing perfect
ought to I have retreaded? ought to you have retreaded? ought to she have retreaded? ought to we have retreaded? ought to you have retreaded? ought to they have retreaded?	ought to I have been retreading? ought to you have been retreading? ought to she have been retreading? ought to we have been retreading? ought to you have been retreading? ought to they have been retreading?

Interro-negative form

Simple form	V-ing form
oughtn't I to retread? oughtn't you to retread? oughtn't she to retread? oughtn't we to retread? oughtn't you to retread? oughtn't they to retread?	oughtn't I to be retreading? oughtn't you to be retreading? oughtn't she to be retreading? oughtn't we to be retreading? oughtn't you to be retreading? oughtn't they to be retreading?
Perfect	V-ing perfect
oughtn't I to have retreaded? oughtn't you to have retreaded? oughtn't she to have retreaded? oughtn't we to have retreaded? oughtn't you to have retreaded? oughtn't they to have retreaded?	oughtn't I to have been retreading? oughtn't you to have been retreading? oughtn't she to have been retreading? oughtn't we to have been retreading? oughtn't you to have been retreading? oughtn't they to have been retreading?