Conversational English
WorkplaceManagement
Polite Request exercises
- http://cisl.edu/wordpress/lessons/how-to-make-a-polite-request-in-english.htm (explanation)
- https://dictionary.cambridge.org/grammar/british-grammar/functions/requests (example in dialogues)
- https://www.ecenglish.com/learnenglish/lessons/polite-requests
- http://usefulenglish.ru/grammar/modal-verbs-exercise-four
- https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-74324.php
- https://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/330-modals-polite1.htm
- http://www.englishexercises.org/makeagame/viewgame.asp?id=7068
Customer Service
Modal verbs exercises
- https://www.myenglishpages.com/site_php_files/grammar-exercise-modals.php
- https://elt.oup.com/student/solutions/advanced/grammar/grammar_08_022e?cc=gt&selLanguage=en
- https://www.englisch-hilfen.de/en/exercises/modals/form.htm
- http://esl.fis.edu/grammar/multi/modal1.htm
- https://agendaweb.org/verbs/modals-exercises.html