English verb conjugation
OUGHT TO CRUST

Regular verb: crust - crusted - crusted

Affirmation

Simple form	V-ing form
I ought to crust you ought to crust he ought to crust we ought to crust you ought to crust they ought to crust	I ought to be crusting you ought to be crusting he ought to be crusting we ought to be crusting you ought to be crusting they ought to be crusting
Perfect	V-ing perfect
I ought to have crusted you ought to have crusted he ought to have crusted we ought to have crusted you ought to have crusted they ought to have crusted	I ought to have been crusting you ought to have been crusting he ought to have been crusting we ought to have been crusting you ought to have been crusting they ought to have been crusting

Negation

Simple form	V-ing form
I oughtn't to crust you oughtn't to crust he oughtn't to crust we oughtn't to crust you oughtn't to crust they oughtn't to crust	I oughtn't to be crusting you oughtn't to be crusting he oughtn't to be crusting we oughtn't to be crusting you oughtn't to be crusting they oughtn't to be crusting
Perfect	V-ing perfect
I oughtn't to have crusted you oughtn't to have crusted he oughtn't to have crusted we oughtn't to have crusted you oughtn't to have crusted they oughtn't to have crusted	I oughtn't to have been crusting you oughtn't to have been crusting he oughtn't to have been crusting we oughtn't to have been crusting you oughtn't to have been crusting they oughtn't to have been crusting

Interrogative form

Simple form	V-ing form
ought to I crust? ought to you crust? ought to he crust? ought to we crust? ought to you crust? ought to they crust?	ought to I be crusting? ought to you be crusting? ought to he be crusting? ought to we be crusting? ought to you be crusting? ought to they be crusting?
Perfect	V-ing perfect
ought to I have crusted? ought to you have crusted? ought to he have crusted? ought to we have crusted? ought to you have crusted? ought to they have crusted?	ought to I have been crusting? ought to you have been crusting? ought to he have been crusting? ought to we have been crusting? ought to you have been crusting? ought to they have been crusting?

Interro-negative form

Simple form	V-ing form
oughtn't I to crust? oughtn't you to crust? oughtn't he to crust? oughtn't we to crust? oughtn't you to crust? oughtn't they to crust?	oughtn't I to be crusting? oughtn't you to be crusting? oughtn't he to be crusting? oughtn't we to be crusting? oughtn't you to be crusting? oughtn't they to be crusting?
Perfect	V-ing perfect
oughtn't I to have crusted? oughtn't you to have crusted? oughtn't he to have crusted? oughtn't we to have crusted? oughtn't you to have crusted? oughtn't they to have crusted?	oughtn't I to have been crusting? oughtn't you to have been crusting? oughtn't he to have been crusting? oughtn't we to have been crusting? oughtn't you to have been crusting? oughtn't they to have been crusting?