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