Past continuous

https://learnenglish.britishcouncil.org/en/english-grammar/verbs/past-tense/past-continuous

https://www.google.it/search?q=past+continuous&safe=active&client=safari&hl=it-it&prmd=ivsn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwijtu61iO3QAhWBXhQKHcXaCxAQ_AUIBygB&biw=768&bih=928&dpr=2#imgrc=pGOSLT1wC5sBpM%3A

More practice: present perfect vs simple past

http://www.esl-lounge.com/student/grammar/2g11-past-simple-present-perfect-gap-fill.php

http://www.agendaweb.org/verbs/present-perfect-simple-past-simple-exercises.html

http://www.perfect-english-grammar.com/support-files/present_perfect_or_past_simple_2.pdf

http://www.grammarbank.com/present-perfect-exercises.html

Present perfect exercises

http://www.e-grammar.org/present-perfect-simple-continuous/test1-exercise1/

http://www.e-grammar.org/present-perfect-simple-continuous/test3-exercise1/

http://www.macmillaninspiration.com/original/files/2010/07/INSP3_ws9.pdf

http://www.prolinguaassociates.com/Grammar_Review_Book/GRB_Unit_18.pdf

https://www.ego4u.com/en/cram-up/grammar/present-perfect-simple

http://www.really-learn-english.com/present-perfect-exercises.html

bit of a free time? try this!!!

http://learnenglish.britishcouncil.org/en/games/wordshake

Could

http://www.englishgrammarsecrets.com/could/exercise2.swf

http://www.englishgrammarsecrets.com/could/exercise3.swf

http://www.english-grammar-lessons.com/could/exercise3.swf

Should - giving advice

http://www.englishexercises.org/makeagame/viewgame.asp?id=1734

http://www.eclecticenglish.com/grammar/Should1A.html

https://elt.oup.com/student/project3rdedition/level3/unit6/grammar/exercise1?cc=us&selLanguage=en

Practising the future forms

EXERCISES:

http://www.english-4u.de/future_ex3.htm

http://www.english-4u.de/future_ex5.htm

https://english.lingolia.com/en/grammar/tenses-comparison/future-tenses/exercises

http://www.englishexercises.org/makeagame/viewgame.asp?id=4180

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-6874.php

SPEAKING ACTIVITY:

http://www.english-4u.de/PDF/Future%20-%20When%20I'm%20older.pdf