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