I ought to tend you ought to tend she ought to tend we ought to tend you ought to tend they ought to tend
V-ing form
I ought to be tending you ought to be tending she ought to be tending we ought to be tending you ought to be tending they ought to be tending
Perfect
I ought to have tended you ought to have tended she ought to have tended we ought to have tended you ought to have tended they ought to have tended
V-ing perfect
I ought to have been tending you ought to have been tending she ought to have been tending we ought to have been tending you ought to have been tending they ought to have been tending
Negation
Simple form
I ought not to tend you ought not to tend she ought not to tend we ought not to tend you ought not to tend they ought not to tend
V-ing form
I ought not to tending you ought not to tending she ought not to tending we ought not to tending you ought not to tending they ought not to tending
Perfect
I ought not to have tended you ought not to have tended she ought not to have tended we ought not to have tended you ought not to have tended they ought not to have tended
V-ing perfect
I ought not to have been tending you ought not to have been tending she ought not to have been tending we ought not to have been tending you ought not to have been tending they ought not to have been tending
Interrogative form
Simple form
ought to I tend? ought to you tend? ought to she tend? ought to we tend? ought to you tend? ought to they tend?
V-ing form
ought to I be tending? ought to you be tending? ought to she be tending? ought to we be tending? ought to you be tending? ought to they be tending?
Perfect
ought to I have tended? ought to you have tended? ought to she have tended? ought to we have tended? ought to you have tended? ought to they have tended?
V-ing perfect
ought to I have been tending? ought to you have been tending? ought to she have been tending? ought to we have been tending? ought to you have been tending? ought to they have been tending?
Interro-negative form
Simple form
ought I not to tend? ought you not to tend? ought she not to tend? ought we not to tend? ought you not to tend? ought they not to tend?
V-ing form
ought I not to be tending? ought you not to be tending? ought she not to be tending? ought we not to be tending? ought you not to be tending? ought they not to be tending?
Perfect
ought I not to have tended? ought you not to have tended? ought she not to have tended? ought we not to have tended? ought you not to have tended? ought they not to have tended?
V-ing perfect
ought I not to have been tending? ought you not to have been tending? ought she not to have been tending? ought we not to have been tending? ought you not to have been tending? ought they not to have been tending?