cometieses

Verb

form-of imperfect second-person singular subjunctive

cometer の二人称単数の接続法過去形

English Meaning

second-person singular imperfect subjunctive of cometer

Si cometieses un error en tu presentación, no te preocupes demasiado.

もしあなたがプレゼンテーションで間違いを犯したなら、あまり心配しないでください。

If you were to commit an error in your presentation, don't worry too much.