Final answer:
In Spanish, 'are' in 'My grandparents are doctors' corresponds to 'ser'.
Explanation:
The verb to be in Spanish has two forms: ser and estar.
In the sentence 'My grandparents are doctors,' the correct form of the verb would be son, which is ser in Spanish.
Therefore, in this sentence, the word 'are' corresponds to ser in Spanish.
Learn more about Use of ser and estar in Spanish
