Present Perfect vs Simple Past

http://www.englisch-hilfen.de/en/exercises/regular_verbs1/index.php

http://www.ego4u.com/en/cram-up/grammar/simpas-preper

http://www.saberingles.com.ar/curso/lesson21/06.html

http://www.englishpage.com/verbpage/verbs5.htm

List of adjectives

http://www.keepandshare.com/doc/12894/adjective-list

What is she like?

http://www.ecenglish.com/learnenglish/lessons/personality-adjectives-what-she

Comparatives and Superlatives on Youtube.

http://www.youtube.com/watch?v=kaFBNypmiHY

Comparatives and Superlatives.

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_as_as.htm

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison4.htm

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison5.htm

Opposites, Synonyms

http://www.englisch-hilfen.de/en/exercises_list/opposites.htm

Comparatives and Superlatives.

Let's work on the use of comparatives and superlatives

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison4.htm

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison5.htm

Syllabus course V

Syllabus of the course.

http://media.utp.edu.co/ilex/archivos/niveles-de-ingles/5-englishfive5.pdf