task 1: http://www.englishpage.com/gerunds/gerunds_infinitives_11.htm
task 2: http://www.englishpage.com/gerunds/gerunds_infinitives_12.htm
task 3: http://www.englishpage.com/gerunds/gerunds_infinitives_13.htm
task 4: http://www.englishpage.com/gerunds/gerunds_infinitives_14.htm
task 5: http://www.englishpage.com/gerunds/gerunds_infinitives_15.htm
now you can relax for 3,5 minutes with this game 🙂
http://www.kwarp.com/portfolio/grammarninja.html
task 6: http://www.englishpage.com/gerunds/gerunds_infinitives_21.htm
task 7: http://www.englishpage.com/gerunds/gerunds_infinitives_22.htm
task 8: http://www.englishpage.com/gerunds/gerunds_infinitives_23.htm
task 9: http://poli.hu/angolblog/wp-admin/post-new.php
task 10: http://www.englishpage.com/gerunds/gerunds_infinitives_25.htm
have a break and do this: https://www.merriam-webster.com/word-games/vocabulary-quiz
task 12: http://www.agendaweb.org/verbs/infinitives-vs-gerunds.html