Spanish 3-4:
Here are the notes on ser in the imperfect: doc00243920171009131255
Here is the quizlet link for vocabulary 6.2: https://quizlet.com/190343495/expresate-2-chapter-62-flash-cards/
Spanish 1 :
Here are the notes on SER (to be): doc00244020171009131832
Here is the quizlet link for vocabulary 1.2: https://quizlet.com/165329780/expresate-11-expresate-12-flash-cards/