Had you done your homework before watching TV? (Yes) – Yes, I had done my homework before watching TV.
Had they arrived at the party before you? (No) – No, they had not arrived at the party before me.
Had the teacher explained the lesson before the test? (Yes) – Yes, the teacher had explained the lesson before the test.
Had you visited a zoo before last year? (Write your true answer) – Example answer: Yes, I had visited a zoo before last year. OR No, I had not visited a zoo before last year.
Had it stopped raining before you went outside? (No) – No, it had not stopped raining before I went outside.