- Third-person singular (ele, ela, also used with tu and você?) present indicative of envenenar
- Second-person singular (tu) affirmative imperative of envenenar
- Informal second-person singular (tú) affirmative imperative form of envenenar.
- Formal second-person singular (usted) present indicative form of envenenar.
- Third-person singular (él, ella, also used with usted?) present indicative form of envenenar.