Обусловьте форму глагола1) when i came home my little sister was

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1) when i came home my little sister was slepping
2)when Nick came home his brother was plaing with his toys
3) when we came to my friends house he had just lefe
4)l was going to the cinema when i met you
5)when he came home his mother had already cooked dinner
6)l was at home the whole evening yesterday
7)l was doing my homework the whole evening yesterday