dance/ while/ sing
They were dancing while they were singing.
fight/ when/ bad man/ come
He was fighting when the bad man came.
eat/ when/ friend/ arrive
He was eating when his friend arrived.
while/ run/ look at his enemy
While he was running he was looking at his enemy
he/ eat/ while/ watch TV
He was eating while he was watching TV.
the girl/ fall/ while/ he/ look at her
The girl fell while he was looking at her.
they/ talk/ when/ he/ pull ear
They were talking when he pulled his ear.
while/ look/ talk
While he was looking, he was talking.
