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