Teacher: Frank met an old friend yesterday.
Student: He met an old friend yesterday while he was walking in the park.
1 John sprained his ankle.
2 The police arrested the man.
3 His mother came to see him.
4 Father burnt his finger.
5 Jane broke a plate.
6 The telephone rang.
7 James nearly swallowed a bone.
8 It began to rain.
9 The postman knocked at the door.
10 Someone stole William’s bicycle.