I ought to preguarantee you ought to preguarantee he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?