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