Grammar work

1.When we came back home, the children had already been sleeping for two hours
The children had not already been sleaping for two hours
Had the children been already been sleaping for two hours?
2.Tina had just got home when I phoned her
Tina had not 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 ages
I had seen him for ages
Had I seen him for ages?
4.Mom was tierd ysterday. She had been cleaning the house all day
She had not been cleaning the house all day
Had she been cleaning the house all day
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