investigated
| Singular | Plural | |
|---|---|---|
| First | investigué | — |
| Third | investigó | — |
El policía investigó cuidadosamente el cuarto en busca de evidencia.
The police officer carefully searched the room for evidence.
La policía investigó cuidadosamente la causa del accidente.
The police carefully investigated the cause of the accident.
Tom investigó por su cuenta.
Tom investigated on his own.
John investigó el accidente a fondo.
John investigated the accident thoroughly.