remembering time tenses

http://usefulenglish.ru/grammar/tenses-exercise-nine
https://www.learnenglishfeelgood.com/mixed-verb-tenses1.html#
https://www.ego4u.com/en/cram-up/tests/language-course
https://www.english-grammar.at/online_exercises/tenses/t074-narrative-tenses.htm
http://www.eflnet.com/grammar/verbtense2.php
https://www.english-grammar.at/online_exercises/tenses/t085-all-tenses.htm

Test your grammar level
https://www.oxfordonlineenglish.com/english-level-test/grammar?nabm=0&utm_referrer=https%3A%2F%2Fwww.google.com%2F

Conditionals
https://agendaweb.org/verbs/conditional-worksheets-lessons

Modals
http://www.vaniercollege.qc.ca/tlc/files/2013/10/Modal-Auxiliaries1.pdf

Reported Speech
https://agendaweb.org/verbs/reported_speech-exercises.html

Passive Voice
https://agendaweb.org/verbs/passive-voice-exercises.html

Confusing Verbs
https://agendaweb.org/verbs/confusing-verbs-worksheets-lessons

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LISTENING COMPREHENSION SITES
https://agendaweb.org/listening-exercises

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TED TALKS

Before watching: https://www.ted.com/speakers/daniel_lismore

https://www.ted.com/talks/daniel_lismore_my_life_as_a_work_of_art/transcript