Перевести в время they clean teeth and take a shower. they have breakfast at eight o'clock. in the evening they watch tv. they thank their mother for supper.

They cleaned teeth and took a shower.
They had breakfast at eight o'clock.
In the evening they watched  TV.
They thanked their mother for supper.

They cleaned teeth and took a shower. They had breakfast at 8 o'clock. In the evening they watched TV. They thanked their mother for supper