I ought to preguarantee you ought to preguarantee she ought to preguarantee we ought to preguarantee you ought to preguarantee they ought to preguarantee
V-ing form
I ought to be preguaranteeing you ought to be preguaranteeing she ought to be preguaranteeing we ought to be preguaranteeing you ought to be preguaranteeing they ought to be preguaranteeing
Perfect
I ought to have preguaranteed you ought to have preguaranteed she ought to have preguaranteed we ought to have preguaranteed you ought to have preguaranteed they ought to have preguaranteed
V-ing perfect
I ought to have been preguaranteeing you ought to have been preguaranteeing she ought to have been preguaranteeing we ought to have been preguaranteeing you ought to have been preguaranteeing they ought to have been preguaranteeing
Negation
Simple form
I oughtn't to preguarantee you oughtn't to preguarantee she oughtn't to preguarantee we oughtn't to preguarantee you oughtn't to preguarantee they oughtn't to preguarantee
V-ing form
I oughtn't to be preguaranteeing you oughtn't to be preguaranteeing she oughtn't to be preguaranteeing we oughtn't to be preguaranteeing you oughtn't to be preguaranteeing they oughtn't to be preguaranteeing
Perfect
I oughtn't to have preguaranteed you oughtn't to have preguaranteed she oughtn't to have preguaranteed we oughtn't to have preguaranteed you oughtn't to have preguaranteed they oughtn't to have preguaranteed
V-ing perfect
I oughtn't to have been preguaranteeing you oughtn't to have been preguaranteeing she oughtn't to have been preguaranteeing we oughtn't to have been preguaranteeing you oughtn't to have been preguaranteeing they oughtn't to have been preguaranteeing
Interrogative form
Simple form
ought to I preguarantee? ought to you preguarantee? ought to she preguarantee? ought to we preguarantee? ought to you preguarantee? ought to they preguarantee?
V-ing form
ought to I be preguaranteeing? ought to you be preguaranteeing? ought to she be preguaranteeing? ought to we be preguaranteeing? ought to you be preguaranteeing? ought to they be preguaranteeing?
Perfect
ought to I have preguaranteed? ought to you have preguaranteed? ought to she have preguaranteed? ought to we have preguaranteed? ought to you have preguaranteed? ought to they have preguaranteed?
V-ing perfect
ought to I have been preguaranteeing? ought to you have been preguaranteeing? ought to she have been preguaranteeing? ought to we have been preguaranteeing? ought to you have been preguaranteeing? ought to they have been preguaranteeing?
Interro-negative form
Simple form
oughtn't I to preguarantee? oughtn't you to preguarantee? oughtn't she to preguarantee? oughtn't we to preguarantee? oughtn't you to preguarantee? oughtn't they to preguarantee?
V-ing form
oughtn't I to be preguaranteeing? oughtn't you to be preguaranteeing? oughtn't she to be preguaranteeing? oughtn't we to be preguaranteeing? oughtn't you to be preguaranteeing? oughtn't they to be preguaranteeing?
Perfect
oughtn't I to have preguaranteed? oughtn't you to have preguaranteed? oughtn't she to have preguaranteed? oughtn't we to have preguaranteed? oughtn't you to have preguaranteed? oughtn't they to have preguaranteed?
V-ing perfect
oughtn't I to have been preguaranteeing? oughtn't you to have been preguaranteeing? oughtn't she to have been preguaranteeing? oughtn't we to have been preguaranteeing? oughtn't you to have been preguaranteeing? oughtn't they to have been preguaranteeing?