:'( поставьте в вопросительную и отрицательную формы: 1. they have been talking all morning. 2. she has been working in this school for ten years. 3. the teacher has explained the new rule to us. 4. they have been trying to find you since morning. 5. my parents have been living here since 1960. 6. she's been wanting to travel to australia for years.

1. Have they been talking all the morning? They haven't been talking all morning.
2. Has she been working in this school for ten years? She hasn't been working in this school for ten years.
3/Has the teacher explained the new rule to us? The teacher hasn't explained the new rule to us.
4. Have they been trying to find you since morning? They haven't been trying to find you since morning.
5. Have my parents been living here since 1960? My parents haven't been living here since 1960.
6. Has she been wanting to travel to Australia for years? She's not been wanting to travel to Australia for years.