Question

corrijanlo si está mal hecho...​

Answer 1

1. What did you *find* about him? = cada vez que usamos did o didn’t los verbos no cambian, se quedan en infinitivo.
2. *served*, serve no está en pasado
3. when *was* he born?
4. he *was* born
5. did he *go* to the university?
6. yes, he *did*.
7. He *studied*, study no está en pasado
8. What else did you *learn*, cuando hay did, el verbo posterior no cambia del infinitivo.