1)May washed the plates but she didn’t wash the cup.
2)Pete translated the text but he didn’t translate the poem.
3)I cleaned the living room but I didn’t clean the bedroom.
4)Father studied French at school but he didn’t study German.
5)The gardener watered the flowers but he didn’t water the trees.
6)My sister liked Geography she didn’t like Maths.
7)Ted listened to the news but he didn’t listen to the concert.
8)Our friends travelled to London but they didn’t travel to Paris.
Отрицательная форма в прошедшем времени строится при помощи didn’t ( для всех лиц) и глагола в первой форме.