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