I ought to screech you ought to screech he ought to screech we ought to screech you ought to screech they ought to screech
V-ing form
I ought to be screeching you ought to be screeching he ought to be screeching we ought to be screeching you ought to be screeching they ought to be screeching
Perfect
I ought to have screeched you ought to have screeched he ought to have screeched we ought to have screeched you ought to have screeched they ought to have screeched
V-ing perfect
I ought to have been screeching you ought to have been screeching he ought to have been screeching we ought to have been screeching you ought to have been screeching they ought to have been screeching
Negation
Simple form
I oughtn't to screech you oughtn't to screech he oughtn't to screech we oughtn't to screech you oughtn't to screech they oughtn't to screech
V-ing form
I oughtn't to be screeching you oughtn't to be screeching he oughtn't to be screeching we oughtn't to be screeching you oughtn't to be screeching they oughtn't to be screeching
Perfect
I oughtn't to have screeched you oughtn't to have screeched he oughtn't to have screeched we oughtn't to have screeched you oughtn't to have screeched they oughtn't to have screeched
V-ing perfect
I oughtn't to have been screeching you oughtn't to have been screeching he oughtn't to have been screeching we oughtn't to have been screeching you oughtn't to have been screeching they oughtn't to have been screeching
Interrogative form
Simple form
ought to I screech? ought to you screech? ought to he screech? ought to we screech? ought to you screech? ought to they screech?
V-ing form
ought to I be screeching? ought to you be screeching? ought to he be screeching? ought to we be screeching? ought to you be screeching? ought to they be screeching?
Perfect
ought to I have screeched? ought to you have screeched? ought to he have screeched? ought to we have screeched? ought to you have screeched? ought to they have screeched?
V-ing perfect
ought to I have been screeching? ought to you have been screeching? ought to he have been screeching? ought to we have been screeching? ought to you have been screeching? ought to they have been screeching?
Interro-negative form
Simple form
oughtn't I to screech? oughtn't you to screech? oughtn't he to screech? oughtn't we to screech? oughtn't you to screech? oughtn't they to screech?
V-ing form
oughtn't I to be screeching? oughtn't you to be screeching? oughtn't he to be screeching? oughtn't we to be screeching? oughtn't you to be screeching? oughtn't they to be screeching?
Perfect
oughtn't I to have screeched? oughtn't you to have screeched? oughtn't he to have screeched? oughtn't we to have screeched? oughtn't you to have screeched? oughtn't they to have screeched?
V-ing perfect
oughtn't I to have been screeching? oughtn't you to have been screeching? oughtn't he to have been screeching? oughtn't we to have been screeching? oughtn't you to have been screeching? oughtn't they to have been screeching?