Here you have more exercises to practice the 1st Conditional.

http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-1/exercises

http://www.1-language.com/englishcoursenew/unit41_grammar_exs.htm

Thanks!

NSC

Hola a tod@s:
Aquí teneis un juego interactivo de inglés: HAVE GOT / TO BE

http://learnenglishkids.britishcouncil.org/en/grammar-games/have-got

¡Espero que os guste!