Free Download: How to teach!

Download these free books.They are really useful.

Magic Book

I give you the link to this incredible book.

Have fun!

https://www.amazon.es/Arien-Rune-mundo-mágico-Thunderland-ebook/dp/B07H8JDVC5/ref=sr_1_1?ie=UTF8&qid=1543395474&sr=8-1&keywords=arien+rune

Free online book to study Passive Voice

If you are tired of buying complete books of grammar and never finish them, you can have this online book by free just to study Passive Voice. It has explanations with pictures, exercises and answers.

Hope you like it!

https://www.amazon.es/dp/B074CFD3PQ/ref=sr_1_2?ie=UTF8&qid=1501314798&sr=8-2&keywords=english+grammar+for+beginners

Recommended book for Spanish speakers

If you want to study English but just some parts of the grammar, this collection of books is made for you.

https://www.amazon.es/gp/aw/d/B073Y8T4G3/ref=mp_s_a_1_2?__mk_es_ES=ÅMÅZÕÑ&qid=1500130819&sr=8-2&pi=AC_SX236_SY340_QL65&keywords=gramatica+ingles+para+principiantes&dpPl=1&dpID=41j6r1XUylL&ref=plSrch

It is very useful because it contains grammar explanation and exercises with answers. This is just about passive voice.