Gary didn't watch TV
Gary watched TV
Frank did his homework.
Frank didn't do his homework.
I didn't make the sandwich.
I made the sandwich.
Jack didn't lose his mobile phone.
Jack lost his mobile phone.
Peter made some tea yesterday.
Peter didn't make tea yesterday.
I liked the cake.
I didn't like the cake.
Carol didn't know a song.
Carol knew a song.
Anna didn't have a party last Tuesday.
Anna had a party last Tuesday.
Adam opened the door.
Adam didn't open the door.
Ester didn't want a new computer.
Ester wanted a new computer.
He saw a dinosaur.
He didn't see a dinosaur.
Oscar didn't know the answer.
Oscar knew the answer.
Archie ate an apple.
Archie didn't eat an apple.
Patricia felt great yesterday.
Patricia didn't feel great yesterday.
I bought a new laptop.
I didn't buy a new laptop.
Kamila didn't drink cola on Saturday.
Kamila drank cola on Saturday.
Mari got a present last month.
Mari didn't get a present last month.
Gabby didn't fly a plane last week.
Gabby flew a plane last week.
Chris didn't give a present last week.
Chris gave a present last week.
Alan didn't play tennis.
Alan played tennis.
Pol didn't eat lunch today.
Pol ate lunch today.
Paulina didn't listen to music on Friday.
Paulina listened to music on Friday.
The teacher slept in the last lesson.
The teacher didn't sleep in the last lesson.
Karen went to a cinema.
Karen didn't go to the cinema.