I ought to swim you ought to swim he ought to swim we ought to swim you ought to swim they ought to swim
V-ing form
I ought to be swimming you ought to be swimming he ought to be swimming we ought to be swimming you ought to be swimming they ought to be swimming
Perfect
I ought to have swum you ought to have swum he ought to have swum we ought to have swum you ought to have swum they ought to have swum
V-ing perfect
I ought to have been swimming you ought to have been swimming he 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
I ought not to swim you ought not to swim he ought not to swim we ought not to swim you ought not to swim they ought not to swim
V-ing form
I ought not to swimming you ought not to swimming he ought not to swimming we ought not to swimming you ought not to swimming they ought not to swimming
Perfect
I ought not to have swum you ought not to have swum he ought not to have swum we ought not to have swum you ought not to have swum they ought not to have swum
V-ing perfect
I ought not to have been swimming you ought not to have been swimming he ought not to have been swimming we ought not to have been swimming you ought not to have been swimming they ought not to have been swimming
Interrogative form
Simple form
ought to I swim? ought to you swim? ought to he swim? ought to we swim? ought to you swim? ought to they swim?
V-ing form
ought to I be swimming? ought to you be swimming? ought to he be swimming? ought to we be swimming? ought to you be swimming? ought to they be swimming?
Perfect
ought to I have swum? ought to you have swum? ought to he have swum? ought to we have swum? ought to you have swum? ought to they have swum?
V-ing perfect
ought to I have been swimming? ought to you have been swimming? ought to he 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
ought I not to swim? ought you not to swim? ought he not to swim? ought we not to swim? ought you not to swim? ought they not to swim?
V-ing form
ought I not to be swimming? ought you not to be swimming? ought he not to be swimming? ought we not to be swimming? ought you not to be swimming? ought they not to be swimming?
Perfect
ought I not to have swum? ought you not to have swum? ought he not to have swum? ought we not to have swum? ought you not to have swum? ought they not to have swum?
V-ing perfect
ought I not to have been swimming? ought you not to have been swimming? ought he not to have been swimming? ought we not to have been swimming? ought you not to have been swimming? ought they not to have been swimming?