English verb conjugation
OUGHT TO TITTER

Regular verb: titter - tittered - tittered

Affirmation

Simple form	V-ing form
I ought to titter you ought to titter he ought to titter we ought to titter you ought to titter they ought to titter	I ought to be tittering you ought to be tittering he ought to be tittering we ought to be tittering you ought to be tittering they ought to be tittering
Perfect	V-ing perfect
I ought to have tittered you ought to have tittered he ought to have tittered we ought to have tittered you ought to have tittered they ought to have tittered	I ought to have been tittering you ought to have been tittering he ought to have been tittering we ought to have been tittering you ought to have been tittering they ought to have been tittering

Negation

Simple form	V-ing form
I ought not to titter you ought not to titter he ought not to titter we ought not to titter you ought not to titter they ought not to titter	I ought not to tittering you ought not to tittering he ought not to tittering we ought not to tittering you ought not to tittering they ought not to tittering
Perfect	V-ing perfect
I ought not to have tittered you ought not to have tittered he ought not to have tittered we ought not to have tittered you ought not to have tittered they ought not to have tittered	I ought not to have been tittering you ought not to have been tittering he ought not to have been tittering we ought not to have been tittering you ought not to have been tittering they ought not to have been tittering

Interrogative form

Simple form	V-ing form
ought to I titter? ought to you titter? ought to he titter? ought to we titter? ought to you titter? ought to they titter?	ought to I be tittering? ought to you be tittering? ought to he be tittering? ought to we be tittering? ought to you be tittering? ought to they be tittering?
Perfect	V-ing perfect
ought to I have tittered? ought to you have tittered? ought to he have tittered? ought to we have tittered? ought to you have tittered? ought to they have tittered?	ought to I have been tittering? ought to you have been tittering? ought to he have been tittering? ought to we have been tittering? ought to you have been tittering? ought to they have been tittering?

Interro-negative form

Simple form	V-ing form
ought I not to titter? ought you not to titter? ought he not to titter? ought we not to titter? ought you not to titter? ought they not to titter?	ought I not to be tittering? ought you not to be tittering? ought he not to be tittering? ought we not to be tittering? ought you not to be tittering? ought they not to be tittering?
Perfect	V-ing perfect
ought I not to have tittered? ought you not to have tittered? ought he not to have tittered? ought we not to have tittered? ought you not to have tittered? ought they not to have tittered?	ought I not to have been tittering? ought you not to have been tittering? ought he not to have been tittering? ought we not to have been tittering? ought you not to have been tittering? ought they not to have been tittering?