New answers tagged género
First of all, your examples are not grammatically identical. Questions and non-question sentences will have a diferent order because that's how it works in every language. Second, you're being confused by the gender AND the subject. In spanish it is possible to omit the subject of the sentences just as you point out in No lo compra This is correct ...
I think you are mistaking "gender" for "subject", or I did not get your questions. The subject isn't normally specified because you can know the person/number from the verb endings; you only specify it when you need to emphasize the subject, or there is a contrast with the previous subject.
Top 50 recent answers are included