Wh-? words and plurals

who, what, where... ?
http://www.learnenglishfeelgood.com/esl-who-when-where-what1.html
http://www.learnenglishfeelgood.com/esl-who-when-where-what2.html

plurals
http://www.learnenglishfeelgood.com/nouns-plural-form1.html
http://www.learnenglishfeelgood.com/nouns-plural-form2.html

I, me, my...: personal pronouns and possessive adjectives part 1

http://www.englisch-hilfen.de/en/exercises/pronouns/personal_pronouns3.htm

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

https://www.ego4u.com/en/cram-up/grammar/pronouns/exercises?02

https://www.ego4u.com/en/cram-up/grammar/pronouns/exercises?03

tabella riassuntiva: https://www.ego4u.com/en/cram-up/grammar/pronouns

http://www.learnenglishfeelgood.com/english-personal-pronouns1.html

http://www.learnenglishfeelgood.com/direct-object-pronouns1.html

http://www.learnenglishfeelgood.com/direct-object-pronouns2.html

http://www.english-4u.de/pers_pronouns_ex1.htm

http://www.english-4u.de/pers_pronouns_ex3.htm

http://www.english-4u.de/pers_pronouns_ex4.htm

https://learnenglish.britishcouncil.org/en/english-grammar/possessives/possessives-adjectives

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-47663.php

http://www.englisch-hilfen.de/en/exercises/pronouns/possessive_determiners.htm

Plurals

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

http://www.english-4u.de/plural_ex1.htm

http://www.english-4u.de/plural_ex2.htm

http://www.english-4u.de/plural_ex3.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/plural6.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/plural7.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/plural8.htm

Marketing English - the basics

http://www.businessenglishsite.com/business-english-marketing-sales.html

http://www.onestopenglish.com/esp/marketing/

http://www.eslflow.com/describingproductsandservices.html

https://www.youtube.com/watch?v=44jnm3W1JKU

http://esl.about.com/od/businessenglishvocabulary/a/lx_marketing1.htm

English for Logistics - the basics

https://englishlearnersweb.wordpress.com/business-english/english-on-logistics-jobs/

http://esl.about.com/od/businessenglishvocabulary/a/lx_logistics1.htm

http://logistics-dictionary.com/

https://www.youtube.com/watch?v=rpl_m61Aftk

http://www.slideshare.net/YSFSHIPPING/logistics-in-english-terms

http://www.export.gov/faq/eg_main_043740.asp

Word formation

http://www.englisch-hilfen.de/en/word_formation/verbs_nouns1/index.php

http://www.englisch-hilfen.de/en/word_formation/nouns_adjectives/index.php

http://www.english-grammar.at/online_exercises/word-formation/eiffel-tower.htm

http://www.english-grammar.at/online_exercises/word-formation/wf015-special-effects-in-movies.htm

http://www.english-grammar.at/online_exercises/word-formation/job-satisfaction.htm

http://www.english-grammar.at/online_exercises/word-formation/keep-duburn-clean.htm

http://www.esl-lounge.com/student/first-certificate/fce-062-word-formation-exercise.php

http://www.esl-lounge.com/student/first-certificate/fce-063-word-formation-exercise.php

If-clauses

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

https://www.ego4u.com/en/cram-up/grammar/conditional-sentences

https://www.ego4u.com/en/business-english/grammar/conditional-sentences

http://www.better-english.com/grammar.htm