English verb conjugation
COULD PREGUARANTEE

Regular verb: preguarantee - preguaranteed - preguaranteed

Affirmation

Simple form	V-ing form
I could preguarantee you could preguarantee he could preguarantee we could preguarantee you could preguarantee they could preguarantee	I could be preguaranteeing you could be preguaranteeing he could be preguaranteeing we could be preguaranteeing you could be preguaranteeing they could be preguaranteeing
Perfect	V-ing perfect
I could have preguaranteed you could have preguaranteed he could have preguaranteed we could have preguaranteed you could have preguaranteed they could have preguaranteed	I could have been preguaranteeing you could have been preguaranteeing he could have been preguaranteeing we could have been preguaranteeing you could have been preguaranteeing they could have been preguaranteeing

Negation

Simple form	V-ing form
I could not preguarantee you could not preguarantee he could not preguarantee we could not preguarantee you could not preguarantee they could not preguarantee	I could not be preguaranteeing you could not be preguaranteeing he could not be preguaranteeing we could not be preguaranteeing you could not be preguaranteeing they could not be preguaranteeing
Perfect	V-ing perfect
I could not have preguaranteed you could not have preguaranteed he could not have preguaranteed we could not have preguaranteed you could not have preguaranteed they could not have preguaranteed	I could not have been preguaranteeing you could not have been preguaranteeing he could not have been preguaranteeing we could not have been preguaranteeing you could not have been preguaranteeing they could not have been preguaranteeing

Interrogative form

Simple form	V-ing form
could I preguarantee? could you preguarantee? could he preguarantee? could we preguarantee? could you preguarantee? could they preguarantee?	could I be preguaranteeing? could you be preguaranteeing? could he be preguaranteeing? could we be preguaranteeing? could you be preguaranteeing? could they be preguaranteeing?
Perfect	V-ing perfect
could I have preguaranteed? could you have preguaranteed? could he have preguaranteed? could we have preguaranteed? could you have preguaranteed? could they have preguaranteed?	could I have been preguaranteeing? could you have been preguaranteeing? could he have been preguaranteeing? could we have been preguaranteeing? could you have been preguaranteeing? could they have been preguaranteeing?

Interro-negative form

Simple form	V-ing form
could I not preguarantee? could you not preguarantee? could he not preguarantee? could we not preguarantee? could you not preguarantee? could they not preguarantee?	could I not be preguaranteeing? could you not be preguaranteeing? could he not be preguaranteeing? could we not be preguaranteeing? could you not be preguaranteeing? could they not be preguaranteeing?
Perfect	V-ing perfect
could I not have preguaranteed? could you not have preguaranteed? could he not have preguaranteed? could we not have preguaranteed? could you not have preguaranteed? could they not have preguaranteed?	could I not have been preguaranteeing? could you not have been preguaranteeing? could he not have been preguaranteeing? could we not have been preguaranteeing? could you not have been preguaranteeing? could they not have been preguaranteeing?