Are you sad? - No, I'm not. I'm happy., Is your dad at home? - No, he isn't. He's at work., Are you married? - No, I'm not married., Are they good players? - Yes, they are., Is the library open today? - No, it isn't. It's closed., Is your mother a teacher? - No, she isn't. She's an actress.,

QUESTIONS AND ANSWERS - TO BE - PRESENT SIMPLE

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