Simple Past.

                                   CHANGE INTO THE NEGATIVE AND INTERROGATIVE

*She ate an apple
-She didn"t eat ana apple
- Did she eat an apple?
*My dad bought a new car?
-My dad didn"t buy a new car
-Did  my dad buy a new car?
* He understood the questions
-He didn"t understand  the question
-Did he understand the question?
*They made some sandwiches?
-They didn"t make some sandwiches
-Did they make some sandwiches?


LUCIANO MORENO - 3*A TM