USES OF SER:
To express
origin
possession
material (what something is made of)
characteristics of a person
description
identification (name)
occupation
nationality
dates
time
Examples:
The watch is gold.
She is old
He is a doctor
They are Mexican
It is 12:00
USES OF ESTAR
To express
location
position
condition or state (health)
Examples:
How are you?
Karen is in Rome.
For more information, go to any of these links:
Introduction: For an English speaker one of the most difficult things to master is the use of "ser" and "estar". Both of them are translated to the English verb "to be" (I am, you are etc.) but depending on what you are saying you will have to decide which one of them to use. This tutorial will attempt to give you so some guidance so that you can use "ser" and "estar" correctly most of the time. We also have some interactive tests so that you can see how well you know how to use ser and estar.
http://www.lingolex.com/ser/index.htm
Both Ser and Estar mean "to Be", but in different ways. Let's review the different uses of each verb.
http://www.drlemon.net/Grammar/servsestar.html
Whole books have been written about the two important Spanish verbs: ser and estar. This will be the subject of our discussion for the next few lessons. Soon, you will have a very good understanding of how these two verbs are used.The written lesson is below.
Links to quizzes, tests, etc. are to the left.
http://www.studyspanish.com/lessons/serest1.htm
QUIZ: Decide which (ser or estar) best fit the sentence. Begin.
http://www.quia.com/quiz/761898.html
'Ser' or 'Estar,' That Is the Question
Two Verbs Are Used for 'To Be'
http://spanish.about.com/cs/verbs/a/servsestar.htm
ser and estar
Lesson plans, Use, Auxillary, Exercises
http://www.123teachme.com/learn_spanish/search/node/ser+and+estar