B Write the sentences in another way. Use "~ing."
(1) When he was watching TV, he fell asleep.
(2) Since she felt very tired, she went to bed early that day.
(3) I thought about my future while I was walking along the river.
Grammar
she went to bed early that day.
he fell asleep.
(4) A typhoon hit Honshu and it caused serious damage.
A typhoon hit Honshu,
I thought about my future.