English verb conjugation
OUGHT TO TUMBLE

Regular verb: tumble - tumbled - tumbled

Affirmation

Simple form	V-ing form
I ought to tumble you ought to tumble she ought to tumble we ought to tumble you ought to tumble they ought to tumble	I ought to be tumbling you ought to be tumbling she ought to be tumbling we ought to be tumbling you ought to be tumbling they ought to be tumbling
Perfect	V-ing perfect
I ought to have tumbled you ought to have tumbled she ought to have tumbled we ought to have tumbled you ought to have tumbled they ought to have tumbled	I ought to have been tumbling you ought to have been tumbling she 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	V-ing form
I oughtn't to tumble you oughtn't to tumble she oughtn't to tumble we oughtn't to tumble you oughtn't to tumble they oughtn't to tumble	I oughtn't to be tumbling you oughtn't to be tumbling she oughtn't to be tumbling we oughtn't to be tumbling you oughtn't to be tumbling they oughtn't to be tumbling
Perfect	V-ing perfect
I oughtn't to have tumbled you oughtn't to have tumbled she oughtn't to have tumbled we oughtn't to have tumbled you oughtn't to have tumbled they oughtn't to have tumbled	I oughtn't to have been tumbling you oughtn't to have been tumbling she 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	V-ing form
ought to I tumble? ought to you tumble? ought to she tumble? ought to we tumble? ought to you tumble? ought to they tumble?	ought to I be tumbling? ought to you be tumbling? ought to she be tumbling? ought to we be tumbling? ought to you be tumbling? ought to they be tumbling?
Perfect	V-ing perfect
ought to I have tumbled? ought to you have tumbled? ought to she have tumbled? ought to we have tumbled? ought to you have tumbled? ought to they have tumbled?	ought to I have been tumbling? ought to you have been tumbling? ought to she 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	V-ing form
oughtn't I to tumble? oughtn't you to tumble? oughtn't she to tumble? oughtn't we to tumble? oughtn't you to tumble? oughtn't they to tumble?	oughtn't I to be tumbling? oughtn't you to be tumbling? oughtn't she to be tumbling? oughtn't we to be tumbling? oughtn't you to be tumbling? oughtn't they to be tumbling?
Perfect	V-ing perfect
oughtn't I to have tumbled? oughtn't you to have tumbled? oughtn't she to have tumbled? oughtn't we to have tumbled? oughtn't you to have tumbled? oughtn't they to have tumbled?	oughtn't I to have been tumbling? oughtn't you to have been tumbling? oughtn't she 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?