Some languages combine pro-drop with null or zero morphemes – inflectional morphemes, more particularly. Turkish is an example of this. To illustrate, the verb istemek = to want is inflected as follows (in present continuous):
1Sg: istiyor-um
2Sg: istiyor-sun
3Sg: istiyor__
1Pl: istiyor-uz
2Pl: istiyor-sunuz
3Pl: istiyor-lar
Note that in the 3rd person singular, there is no morpheme – or at least not one that’s phonetically realised. So, in that sense, we have a null morpheme. (-yor- is the morpheme for continuous, but there’s no morpheme for person.)
Next, Turkish is a pro-drop language. To say e.g. I want to eat an apple, one does not have to use the first-person pronoun ben, as in Ben bir elma yemek istiyorum, but can instead say: Bir elma yemek istiyorum. Similarly, in the third person one need not use the pronoun o. To say He wants to eat an apple, one need not say O bir elma yemek istiyor, but can say:
(T) Bir elma yemek istiyor.
Now, (T) is the kind of sentence I am interested in, as it contains neither a personal pronoun nor an inflectional suffix. (More carefully, neither is realised at the surface.)
My question simply is whether anyone can supply another language that exhibits this – ideally a language where this happens in the first person singular. It’s fine if the language is merely null-subject and not fully pro-drop (i.e. allowing pronoun dropping only for subjects). Of course, I don’t want a language like Japanese or Korean, which lacks inflection in the first place.