English verb conjugation
OUGHT TO SWIM

Irregular verb: swim - swam - swum

Affirmation

Simple form	V-ing form
I ought to swim you ought to swim she ought to swim we ought to swim you ought to swim they ought to swim	I ought to be swimming you ought to be swimming she ought to be swimming we ought to be swimming you ought to be swimming they ought to be swimming
Perfect	V-ing perfect
I ought to have swum you ought to have swum she ought to have swum we ought to have swum you ought to have swum they ought to have swum	I ought to have been swimming you ought to have been swimming she ought to have been swimming we ought to have been swimming you ought to have been swimming they ought to have been swimming

Negation

Simple form	V-ing form
I oughtn't to swim you oughtn't to swim she oughtn't to swim we oughtn't to swim you oughtn't to swim they oughtn't to swim	I oughtn't to be swimming you oughtn't to be swimming she oughtn't to be swimming we oughtn't to be swimming you oughtn't to be swimming they oughtn't to be swimming
Perfect	V-ing perfect
I oughtn't to have swum you oughtn't to have swum she oughtn't to have swum we oughtn't to have swum you oughtn't to have swum they oughtn't to have swum	I oughtn't to have been swimming you oughtn't to have been swimming she oughtn't to have been swimming we oughtn't to have been swimming you oughtn't to have been swimming they oughtn't to have been swimming

Interrogative form

Simple form	V-ing form
ought to I swim? ought to you swim? ought to she swim? ought to we swim? ought to you swim? ought to they swim?	ought to I be swimming? ought to you be swimming? ought to she be swimming? ought to we be swimming? ought to you be swimming? ought to they be swimming?
Perfect	V-ing perfect
ought to I have swum? ought to you have swum? ought to she have swum? ought to we have swum? ought to you have swum? ought to they have swum?	ought to I have been swimming? ought to you have been swimming? ought to she have been swimming? ought to we have been swimming? ought to you have been swimming? ought to they have been swimming?

Interro-negative form

Simple form	V-ing form
oughtn't I to swim? oughtn't you to swim? oughtn't she to swim? oughtn't we to swim? oughtn't you to swim? oughtn't they to swim?	oughtn't I to be swimming? oughtn't you to be swimming? oughtn't she to be swimming? oughtn't we to be swimming? oughtn't you to be swimming? oughtn't they to be swimming?
Perfect	V-ing perfect
oughtn't I to have swum? oughtn't you to have swum? oughtn't she to have swum? oughtn't we to have swum? oughtn't you to have swum? oughtn't they to have swum?	oughtn't I to have been swimming? oughtn't you to have been swimming? oughtn't she to have been swimming? oughtn't we to have been swimming? oughtn't you to have been swimming? oughtn't they to have been swimming?