Creative Commons Sites

• The LEAF Project: https://www.leaflanguages.org/spanish-the-verb-ser-an-overview/ 
• Spanish Grammar in Context: http://grammar.spanishintexas.org/verbs/ser-to-be/

Videos

• The Spanish Verb Ser: https://www.youtube.com/watch?v=44SbO2nGQSA&t=22s

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