You will visit the following website to gain a better understanding of the differences between the two Spanish verbs that correspond to the English verb "To Be".
http://www.studyspanish.com/lessons/serest1.htm
After you have visited the website that provides you with an explanation of the main differences between these two Spanish verbs , and after you have watched the two YouTube videos with further explanation, you will answer the following question in your notes:
How do we know when to use the verb Ser or the verb Estar, knowing that both of these verbs translate into the English verb of To Be?