Tenses

Will

http://www.englisch-hilfen.de/en/grammar/will_fut.htm

Going to future

http://www.ego4u.com/en/cram-up/grammar/future-1-going-to/

http://www.saberingles.com.ar/curso/lesson11/07.html

Present Continuous

http://www.oup.com/elt/global/products/naturalenglish/pre/a_grammar/unit08/nepre_grammar08_2/

http://www.englishtenseswithcartoons.com/tenses/present_continuous

Reading activities

http://esl-efl.webpark.pl/reading_comprehension.html

Listening Practice

http://www.esl-lab.com/seasons/seasonsrd1.htm