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 oughtn't to tend you oughtn't to tend she oughtn't to tend we oughtn't to tend you oughtn't to tend they oughtn't to tend
V-ing form
I oughtn't to be tending you oughtn't to be tending she oughtn't to be tending we oughtn't to be tending you oughtn't to be tending they oughtn't to be tending
Perfect
I oughtn't to have tended you oughtn't to have tended she oughtn't to have tended we oughtn't to have tended you oughtn't to have tended they oughtn't to have tended
V-ing perfect
I oughtn't to have been tending you oughtn't to have been tending she oughtn't to have been tending we oughtn't to have been tending you oughtn't to have been tending they oughtn't 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
oughtn't I to tend? oughtn't you to tend? oughtn't she to tend? oughtn't we to tend? oughtn't you to tend? oughtn't they to tend?
V-ing form
oughtn't I to be tending? oughtn't you to be tending? oughtn't she to be tending? oughtn't we to be tending? oughtn't you to be tending? oughtn't they to be tending?
Perfect
oughtn't I to have tended? oughtn't you to have tended? oughtn't she to have tended? oughtn't we to have tended? oughtn't you to have tended? oughtn't they to have tended?
V-ing perfect
oughtn't I to have been tending? oughtn't you to have been tending? oughtn't she to have been tending? oughtn't we to have been tending? oughtn't you to have been tending? oughtn't they to have been tending?