I ought to survey you ought to survey she ought to survey we ought to survey you ought to survey they ought to survey
V-ing form
I ought to be surveying you ought to be surveying she ought to be surveying we ought to be surveying you ought to be surveying they ought to be surveying
Perfect
I ought to have surveyed you ought to have surveyed she ought to have surveyed we ought to have surveyed you ought to have surveyed they ought to have surveyed
V-ing perfect
I ought to have been surveying you ought to have been surveying she ought to have been surveying we ought to have been surveying you ought to have been surveying they ought to have been surveying
Negation
Simple form
I ought not to survey you ought not to survey she ought not to survey we ought not to survey you ought not to survey they ought not to survey
V-ing form
I ought not to surveying you ought not to surveying she ought not to surveying we ought not to surveying you ought not to surveying they ought not to surveying
Perfect
I ought not to have surveyed you ought not to have surveyed she ought not to have surveyed we ought not to have surveyed you ought not to have surveyed they ought not to have surveyed
V-ing perfect
I ought not to have been surveying you ought not to have been surveying she ought not to have been surveying we ought not to have been surveying you ought not to have been surveying they ought not to have been surveying
Interrogative form
Simple form
ought to I survey? ought to you survey? ought to she survey? ought to we survey? ought to you survey? ought to they survey?
V-ing form
ought to I be surveying? ought to you be surveying? ought to she be surveying? ought to we be surveying? ought to you be surveying? ought to they be surveying?
Perfect
ought to I have surveyed? ought to you have surveyed? ought to she have surveyed? ought to we have surveyed? ought to you have surveyed? ought to they have surveyed?
V-ing perfect
ought to I have been surveying? ought to you have been surveying? ought to she have been surveying? ought to we have been surveying? ought to you have been surveying? ought to they have been surveying?
Interro-negative form
Simple form
ought I not to survey? ought you not to survey? ought she not to survey? ought we not to survey? ought you not to survey? ought they not to survey?
V-ing form
ought I not to be surveying? ought you not to be surveying? ought she not to be surveying? ought we not to be surveying? ought you not to be surveying? ought they not to be surveying?
Perfect
ought I not to have surveyed? ought you not to have surveyed? ought she not to have surveyed? ought we not to have surveyed? ought you not to have surveyed? ought they not to have surveyed?
V-ing perfect
ought I not to have been surveying? ought you not to have been surveying? ought she not to have been surveying? ought we not to have been surveying? ought you not to have been surveying? ought they not to have been surveying?