Gremmar Work

1)When we cane beck home, the children had already been sliping for two hours.
When we cane beck home, the children hadn't already been sliping for two hours.
When we cane beck home, had the children already been sliping for two hours.
2)Tina had just got home when I phoned her.
Tina hadn't just got home when I phoned her.
Had Tina  just got home when I phoned her.
3)I was glad to meet Ted again. I hadn't seen him for agse.
I was glad to meet Ted again. I had seen him for agse.
I was glad to meet Ted again. Had I seen him for agse.
4)Mom was tired yesterday. She had been cleaning the house all day.
Mom was tired yesterday. She hadn't been cleaning the house all day.
Mom was tired yesterday. Had she been cleaning the house all day.
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