Passive Voice:
http://www.perfect-english-grammar.com/passive-exercises.html
http://www.learnenglishfeelgood.com/esl-passive-voice-exercise2.html
https://www.ego4u.com/en/cram-up/tests/hadrians-wall (trudne: active lub passive)
Countable/Uncountable
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/countable-and-uncountable-nouns
http://www.easypacelearning.com/all-lessons/english-lessons-level-3/885-countable-and-uncountable-nouns-english-grammar-lesson
Future
http://www.english-4u.de/future_ex3.htm
https://www.ego4u.com/en/cram-up/grammar/future-mix
Vocabulary
https://quizlet.com/109077835/weather-flash-cards/?new
https://quizlet.com/107495648/do-it-yourself-forecast-flash-cards/
https://quizlet.com/109078891/tv-programmes-and-homonyms-flash-cards/?new