True: I watched TV yesterday., Did you go to work yesterday? Yes, I did, Did you swim 2 hours ago? , I spoke with my family last Monday., Did they play tennis last month? No, I didn't, False: I watch TV yesterday., Did you go to work yesterday? Yes, I didn't, Do you swim 2 hours ago?, I speak with my family last Monday., Did they play tennis last month? No, I did,

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