I ought to backstroke you ought to backstroke he ought to backstroke we ought to backstroke you ought to backstroke they ought to backstroke
V-ing form
I ought to be backstroking you ought to be backstroking he ought to be backstroking we ought to be backstroking you ought to be backstroking they ought to be backstroking
Perfect
I ought to have backstroked you ought to have backstroked he ought to have backstroked we ought to have backstroked you ought to have backstroked they ought to have backstroked
V-ing perfect
I ought to have been backstroking you ought to have been backstroking he ought to have been backstroking we ought to have been backstroking you ought to have been backstroking they ought to have been backstroking
Negation
Simple form
I ought not to backstroke you ought not to backstroke he ought not to backstroke we ought not to backstroke you ought not to backstroke they ought not to backstroke
V-ing form
I ought not to backstroking you ought not to backstroking he ought not to backstroking we ought not to backstroking you ought not to backstroking they ought not to backstroking
Perfect
I ought not to have backstroked you ought not to have backstroked he ought not to have backstroked we ought not to have backstroked you ought not to have backstroked they ought not to have backstroked
V-ing perfect
I ought not to have been backstroking you ought not to have been backstroking he ought not to have been backstroking we ought not to have been backstroking you ought not to have been backstroking they ought not to have been backstroking
Interrogative form
Simple form
ought to I backstroke? ought to you backstroke? ought to he backstroke? ought to we backstroke? ought to you backstroke? ought to they backstroke?
V-ing form
ought to I be backstroking? ought to you be backstroking? ought to he be backstroking? ought to we be backstroking? ought to you be backstroking? ought to they be backstroking?
Perfect
ought to I have backstroked? ought to you have backstroked? ought to he have backstroked? ought to we have backstroked? ought to you have backstroked? ought to they have backstroked?
V-ing perfect
ought to I have been backstroking? ought to you have been backstroking? ought to he have been backstroking? ought to we have been backstroking? ought to you have been backstroking? ought to they have been backstroking?
Interro-negative form
Simple form
ought I not to backstroke? ought you not to backstroke? ought he not to backstroke? ought we not to backstroke? ought you not to backstroke? ought they not to backstroke?
V-ing form
ought I not to be backstroking? ought you not to be backstroking? ought he not to be backstroking? ought we not to be backstroking? ought you not to be backstroking? ought they not to be backstroking?
Perfect
ought I not to have backstroked? ought you not to have backstroked? ought he not to have backstroked? ought we not to have backstroked? ought you not to have backstroked? ought they not to have backstroked?
V-ing perfect
ought I not to have been backstroking? ought you not to have been backstroking? ought he not to have been backstroking? ought we not to have been backstroking? ought you not to have been backstroking? ought they not to have been backstroking?