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