I ought to preserve you ought to preserve she ought to preserve we ought to preserve you ought to preserve they ought to preserve
Forma con V-ing
I ought to be preserving you ought to be preserving she ought to be preserving we ought to be preserving you ought to be preserving they ought to be preserving
Perfecto
I ought to have preserved you ought to have preserved she ought to have preserved we ought to have preserved you ought to have preserved they ought to have preserved
Perfecto con V-ing
I ought to have been preserving you ought to have been preserving she ought to have been preserving we ought to have been preserving you ought to have been preserving they ought to have been preserving
Negación
Forma simple
I ought not to preserve you ought not to preserve she ought not to preserve we ought not to preserve you ought not to preserve they ought not to preserve
Forma con V-ing
I ought not to preserving you ought not to preserving she ought not to preserving we ought not to preserving you ought not to preserving they ought not to preserving
Perfecto
I ought not to have preserved you ought not to have preserved she ought not to have preserved we ought not to have preserved you ought not to have preserved they ought not to have preserved
Perfecto con V-ing
I ought not to have been preserving you ought not to have been preserving she ought not to have been preserving we ought not to have been preserving you ought not to have been preserving they ought not to have been preserving
Forma interrogativa
Forma simple
ought to I preserve? ought to you preserve? ought to she preserve? ought to we preserve? ought to you preserve? ought to they preserve?
Forma con V-ing
ought to I be preserving? ought to you be preserving? ought to she be preserving? ought to we be preserving? ought to you be preserving? ought to they be preserving?
Perfecto
ought to I have preserved? ought to you have preserved? ought to she have preserved? ought to we have preserved? ought to you have preserved? ought to they have preserved?
Perfecto con V-ing
ought to I have been preserving? ought to you have been preserving? ought to she have been preserving? ought to we have been preserving? ought to you have been preserving? ought to they have been preserving?
Forma interro-negativa
Forma simple
ought I not to preserve? ought you not to preserve? ought she not to preserve? ought we not to preserve? ought you not to preserve? ought they not to preserve?
Forma con V-ing
ought I not to be preserving? ought you not to be preserving? ought she not to be preserving? ought we not to be preserving? ought you not to be preserving? ought they not to be preserving?
Perfecto
ought I not to have preserved? ought you not to have preserved? ought she not to have preserved? ought we not to have preserved? ought you not to have preserved? ought they not to have preserved?
Perfecto con V-ing
ought I not to have been preserving? ought you not to have been preserving? ought she not to have been preserving? ought we not to have been preserving? ought you not to have been preserving? ought they not to have been preserving?