1. Did I get angry because they were late?
   (+) Yes, I did.
   (-) No, I did not.
   (-) I did not get angry because they were late.
   (?) Did I get angry because they were late?
   (?) Why did I get angry? / What made me angry?

2. Did you attend the extra class last night?
   (+) Yes, you did.
   (-) No, you did not.
   (-) You did not attend the extra class last night.
   (?) Did you attend the extra class last night?
   (?) Who attended the extra class last night?

3. Did the weather be good when we were on holiday?
   (+) Yes, the weather was good.
   (-) No, the weather was not good.
   (-) The weather was not good when we were on holiday.
   (?) Did the weather be good when we were on holiday?
   (?) What was the weather like when we were on holiday?

4. Did I meet Tom and Ann at the airport a few weeks ago?
   (+) Yes, I did.
   (-) No, I did not.
   (-) I did not meet Tom and Ann at the airport a few weeks ago.
   (?) Did I meet Tom and Ann at the airport a few weeks ago?
   (?) Who did I meet at the airport a few weeks ago?

5. Did I buy that novel on Monday?
   (+) Yes, I did.
   (-) No, I did not.
   (-) I did not buy that novel on Monday.
   (?) Did I buy that novel on Monday?
   (?) When did I buy that novel?

6. Did Lisa get a good mark in the final exam?
   (+) Yes, Lisa did.
   (-) No, Lisa did not.
   (-) Lisa did not get a good mark in the final exam.
   (?) Did Lisa get a good mark in the final exam?
   (?) How did Lisa perform in the final exam? / What mark did Lisa get in the final exam?