SINCE/FOR

ALREADY/YET

EXERCISES

www.ego4u.com/en/cram-up/vocabulary/since-for

www.ecenglish.com/learnenglish/lessons/present-perfect-with-for-and-since

www.english-4u.de/en/tenses-exercises/for-since.htm

www.englisch-hilfen.de/en/exercises/confusing_words/since_for.htm

www.myenglishpages.com/site_php_files/grammar-exercise-since-for.php

www.better-english.com/grammar/stillyet.htm

www.adelescorner.org/grammar/pres_perfect/pres_perfect_yet.html

www.englisch-hilfen.de/en/exercises/tenses/present_perfect_already_yet.htm

GAMES

eslpuzzles.com/Grammar%20Games/Present%20Perfect%20Games/Present%20Perfect%20Tense%20Basketball%20Grammar%20Game.html

eslkidsworld.com/Interactive%20games/Grammar%20Games/Present%20Perfect/present%20perfect%20quiz.html