Răspuns:
negative : I didn't walked to school
the can didn't stop at the traffic lights
the boys didn't play chess
I didn't talk to Andrew
Michael didn't work till it was late
the baby didn't cry all night
int:did you walk to school?
did the can stop at the traffic lights?
did the boys play chess?
did you talk to Andrew?
did Michael work till it was late?
did the baby grey all night?