English verb conjugation
OUGHT TO ERASE

Regular verb: erase - erased - erased

Affirmation

Simple form	V-ing form
I ought to erase you ought to erase she ought to erase we ought to erase you ought to erase they ought to erase	I ought to be erasing you ought to be erasing she ought to be erasing we ought to be erasing you ought to be erasing they ought to be erasing
Perfect	V-ing perfect
I ought to have erased you ought to have erased she ought to have erased we ought to have erased you ought to have erased they ought to have erased	I ought to have been erasing you ought to have been erasing she ought to have been erasing we ought to have been erasing you ought to have been erasing they ought to have been erasing

Negation

Simple form	V-ing form
I oughtn't to erase you oughtn't to erase she oughtn't to erase we oughtn't to erase you oughtn't to erase they oughtn't to erase	I oughtn't to be erasing you oughtn't to be erasing she oughtn't to be erasing we oughtn't to be erasing you oughtn't to be erasing they oughtn't to be erasing
Perfect	V-ing perfect
I oughtn't to have erased you oughtn't to have erased she oughtn't to have erased we oughtn't to have erased you oughtn't to have erased they oughtn't to have erased	I oughtn't to have been erasing you oughtn't to have been erasing she oughtn't to have been erasing we oughtn't to have been erasing you oughtn't to have been erasing they oughtn't to have been erasing

Interrogative form

Simple form	V-ing form
ought to I erase? ought to you erase? ought to she erase? ought to we erase? ought to you erase? ought to they erase?	ought to I be erasing? ought to you be erasing? ought to she be erasing? ought to we be erasing? ought to you be erasing? ought to they be erasing?
Perfect	V-ing perfect
ought to I have erased? ought to you have erased? ought to she have erased? ought to we have erased? ought to you have erased? ought to they have erased?	ought to I have been erasing? ought to you have been erasing? ought to she have been erasing? ought to we have been erasing? ought to you have been erasing? ought to they have been erasing?

Interro-negative form

Simple form	V-ing form
oughtn't I to erase? oughtn't you to erase? oughtn't she to erase? oughtn't we to erase? oughtn't you to erase? oughtn't they to erase?	oughtn't I to be erasing? oughtn't you to be erasing? oughtn't she to be erasing? oughtn't we to be erasing? oughtn't you to be erasing? oughtn't they to be erasing?
Perfect	V-ing perfect
oughtn't I to have erased? oughtn't you to have erased? oughtn't she to have erased? oughtn't we to have erased? oughtn't you to have erased? oughtn't they to have erased?	oughtn't I to have been erasing? oughtn't you to have been erasing? oughtn't she to have been erasing? oughtn't we to have been erasing? oughtn't you to have been erasing? oughtn't they to have been erasing?