What did I do wrong here? (Use of ser/estar)

1
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The following sentence of mine is not correct, but I don't understand why (I know it has to do with my use of "es").

Can you explain what I should use in place of "es" and why? Thanks in advance.

"Mis cursos favoritos es psicología y biología."

987 views
updated FEB 6, 2010
posted by españolasaurus

3 Answers

0
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Hi and welcome to the forum,

The problem here is that "cursos" is plural. You need to use the plural form of "ser" which is "son'.

updated FEB 6, 2010
posted by Nicole-B
:-)
I see my error- thank you for the answer!
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"Mis cursos favoritos son psicología y biología."

You need the plural form of "es" here because you are talking about more than one subject.

updated FEB 6, 2010
posted by --Mariana--
So good to be answering within seconds of each other again Marianne!!!! jejeje
Thanks for your answer also!
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"Españolasau" You can still congratulate yourself for using a form of "ser" and not "estar" so .... Good Job.

updated FEB 6, 2010
posted by Daniel
Good point!
Thank you. I agree the use of ser/estar takes a bit of getting use to~