DEAR STUDENTS, PRACTICE ON THESE LINKS:
http://www.agendaweb.org/verbs/tobe/
http://www.agendaweb.org/exercises/verbs/to-be-forms
http://www.agendaweb.org/exercises/verbs/tobe-present.htm
http://www.agendaweb.org/verbs/tobe-present/index.html
http://www.englisch-hilfen.de/en/exercises/structures/contracted_forms_be.htm
http://www.englisch-hilfen.de/en/exercises/tenses/be.htm
http://www.englishmaven.org/HP6/To_Be_Exercise2.htm
http://www.eslgamesworld.com/members/games/ClassroomGames/Billionaire/Countries%20Nationalities%20Billionaire/index.html
https://www.eslgamesplus.com/days-of-the-week-esl-vocabulary-game/
https://www.eslgamesplus.com/pirate-games/
https://www.eslgamesplus.com/school-supplies-vocabulary-esl-interactive-board-game/
