Vídeo com explicação: https://www.youtube.com/watch?v=RPDHqfX4PZQ
Link 0: https://learningapps.org/3682910
Link 1: http://www.grammar.cl/Basic/Can_Cannot.htm
Link 2: https://en.islcollective.com/resources/printables/worksheets_doc_docx/who_says_that_-_can__cant/modals-beginner-prea1/13007
Link 3: https://en.islcollective.com/resources/printables/worksheets_doc_docx/practice_with_can_and_cant/modals-animals-modals/29175