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 ought not to tumble you ought not to tumble he ought not to tumble we ought not to tumble you ought not to tumble they ought not to tumble
V-ing form
I ought not to tumbling you ought not to tumbling he ought not to tumbling we ought not to tumbling you ought not to tumbling they ought not to tumbling
Perfect
I ought not to have tumbled you ought not to have tumbled he ought not to have tumbled we ought not to have tumbled you ought not to have tumbled they ought not to have tumbled
V-ing perfect
I ought not to have been tumbling you ought not to have been tumbling he ought not to have been tumbling we ought not to have been tumbling you ought not to have been tumbling they ought not 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
ought I not to tumble? ought you not to tumble? ought he not to tumble? ought we not to tumble? ought you not to tumble? ought they not to tumble?
V-ing form
ought I not to be tumbling? ought you not to be tumbling? ought he not to be tumbling? ought we not to be tumbling? ought you not to be tumbling? ought they not to be tumbling?
Perfect
ought I not to have tumbled? ought you not to have tumbled? ought he not to have tumbled? ought we not to have tumbled? ought you not to have tumbled? ought they not to have tumbled?
V-ing perfect
ought I not to have been tumbling? ought you not to have been tumbling? ought he not to have been tumbling? ought we not to have been tumbling? ought you not to have been tumbling? ought they not to have been tumbling?