Hello! I am an English/Spanish teacher and I have experience. (I am a kind of hybrid native English/Spanish speaker, PLEASE CHECK MY PROFILE INFO).
I have academic certificates and I'm very good at grammar, specially Passive voice, reported speech, conditionals 1/2/3, prepositions, relative clauses, verbal tenses and some other topics.
Contact me, I'm sure I can do this.
PD: I don't mind having a test