MUST/MUSTN'T/HAVE TO

 MUST/MUSTN'T

https://www.youtube.com/watch?v=ZaSLI9yzX8I

HAVE TO/DON'T HAVE TO

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

WORK

TASK 1 MUST/MUSTN'T

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Must_or_mustn't/Must_mustn't_worksheet_on1978120vp

TASK 2 HAVE TO/DON'T HAVE TO

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Have_to/Have_to_-_don't_have_to_yt33274sz

MUSTN'T vs DON'T HAVE TO

https://www.liveworksheets.com/uh2338531sj

PLAY

https://en.islcollective.com/english-esl-video-lessons/grammar-practice/general-grammar-practice/must-or-mustnt/must-mustnt-in-the-museum/161265