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Are your parents going to eat at a restaurant today? No, they are not. They have already eaten at a restaurant. Really? when? They ate at a restaurant yesterday.

Is Linda going to write to her grandmother? no, she isn't. She has already written to her grandmother. Really? when? She wrote her grandmother yesterday.

Is Mark going to take his children to the zoo? No, he isn't. He has already taken children to the zoo.  Really? when? He took his children to the zoo yesterday.

Is Jennifer going to go to a concert? No,she isn't. She has already gone to a concert.  Really? when? She went to a concert yesterday.

Is Margaret going to read her fantastic poem? No, she isn't. She has already read her fantastic poem.  Really? when? She read her fantastic poem yesterday.