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