I ought to bubble you ought to bubble she ought to bubble we ought to bubble you ought to bubble they ought to bubble
V-ing form
I ought to be bubbling you ought to be bubbling she ought to be bubbling we ought to be bubbling you ought to be bubbling they ought to be bubbling
Perfect
I ought to have bubbled you ought to have bubbled she ought to have bubbled we ought to have bubbled you ought to have bubbled they ought to have bubbled
V-ing perfect
I ought to have been bubbling you ought to have been bubbling she ought to have been bubbling we ought to have been bubbling you ought to have been bubbling they ought to have been bubbling
Negation
Simple form
I oughtn't to bubble you oughtn't to bubble she oughtn't to bubble we oughtn't to bubble you oughtn't to bubble they oughtn't to bubble
V-ing form
I oughtn't to be bubbling you oughtn't to be bubbling she oughtn't to be bubbling we oughtn't to be bubbling you oughtn't to be bubbling they oughtn't to be bubbling
Perfect
I oughtn't to have bubbled you oughtn't to have bubbled she oughtn't to have bubbled we oughtn't to have bubbled you oughtn't to have bubbled they oughtn't to have bubbled
V-ing perfect
I oughtn't to have been bubbling you oughtn't to have been bubbling she oughtn't to have been bubbling we oughtn't to have been bubbling you oughtn't to have been bubbling they oughtn't to have been bubbling
Interrogative form
Simple form
ought to I bubble? ought to you bubble? ought to she bubble? ought to we bubble? ought to you bubble? ought to they bubble?
V-ing form
ought to I be bubbling? ought to you be bubbling? ought to she be bubbling? ought to we be bubbling? ought to you be bubbling? ought to they be bubbling?
Perfect
ought to I have bubbled? ought to you have bubbled? ought to she have bubbled? ought to we have bubbled? ought to you have bubbled? ought to they have bubbled?
V-ing perfect
ought to I have been bubbling? ought to you have been bubbling? ought to she have been bubbling? ought to we have been bubbling? ought to you have been bubbling? ought to they have been bubbling?
Interro-negative form
Simple form
oughtn't I to bubble? oughtn't you to bubble? oughtn't she to bubble? oughtn't we to bubble? oughtn't you to bubble? oughtn't they to bubble?
V-ing form
oughtn't I to be bubbling? oughtn't you to be bubbling? oughtn't she to be bubbling? oughtn't we to be bubbling? oughtn't you to be bubbling? oughtn't they to be bubbling?
Perfect
oughtn't I to have bubbled? oughtn't you to have bubbled? oughtn't she to have bubbled? oughtn't we to have bubbled? oughtn't you to have bubbled? oughtn't they to have bubbled?
V-ing perfect
oughtn't I to have been bubbling? oughtn't you to have been bubbling? oughtn't she to have been bubbling? oughtn't we to have been bubbling? oughtn't you to have been bubbling? oughtn't they to have been bubbling?