Present simple and continuous

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

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

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

http://www.ego4u.com/en/cram-up/grammar/present-progressive

 

Videos per present simple/continuous

http://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/present-continuous

http://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/present-simple

 

Past simple

http://www.ego4u.com/en/cram-up/grammar/simple-past

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_statements.htm

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_statements2.htm

 

Past continuous

http://www.ego4u.com/en/cram-up/grammar/past-progressive

 

Past simple/continuous

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

 

Pronouns

http://www.englisch-hilfen.de/en/grammar_list/pronomen.htm

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

 

S-genitive

http://www.englisch-hilfen.de/en/exercises/nouns_articles/apostrophe_s.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/s_of.htm

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

 

PLural, countable and uncountable nouns

http://www.englisch-hilfen.de/en/grammar_list/substantiv.htm

 

Numbers, time, date

http://www.ego4u.com/en/cram-up/vocabulary

http://yvanbaptiste.pagesperso-orange.fr/numbers/dates.html

http://michel.barbot.pagesperso-orange.fr/hotpot/fig_numbers/erin.htm

http://www.quia.com/cz/300175.html

http://www.quia.com/hm/567974.html

 

Pronunciation

https://elt.oup.com/student/englishfile/int3/c_pronunciation/?cc=it&selLanguage=it

https://elt.oup.com/student/englishfile/intermediate/?cc=it&selLanguage=it&mode=hub

 

The future

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

 

Prsent perfect simple and continuous

http://www.englishpage.com/verbpage/presentperfectcontinuous.html

http://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_progressive_mix2.htm

http://www.english-zone.com/verbs/prsperfcont.html

http://isabelperez.com/happy/tenses/pres_perfect.htm