Incluso / even: Always goes before auxiliary verbs.
Examples / Ejemplos:
I even drive.
She went to many different countries, she even went to Aiti.
I saw hundred old friends, I even saw Marta.
Tom speaks many languages, he even speaks mandarin.
Tom habla muchos lenguages el incluso habla mandarin.
Aunque / even: Referring to the possibilities.
-Refiriendose a posibilidades.
Even if you don´t believe it (or) believe it or not.
Even though we were late, we didn´t miss the train.
Though / aunque: Responding to an objection.
He´s a millonarie though he may not look it
Let´s take a look at this:
1) A pesar de:
Though - Más informal
Although - Formal
Even though - más enfático.
2) Incluso si: Even if
