Ex6 write present perfect questions ​

Industrial technology began with the development of the steam engine .
Did industrial technology begin with the development of the steam engine? общий
Did industrial technology begin with the development of the steam or diesel engine? альтернативный
Industrial technology began with the development of the steam engine, didn't it. разделительный
What began with the development of the steam engine? к подлежащему
What did industrial technology begin with? специальный

Scientists study a wide variety of subjects.
Do scientists study a wide variety of subjects?
Do scientists or teachers study a wide variety of subjects?
Scientists study a wide variety of subjects, don't they?
Who studies a wide variety of subjects?
What do scientists study?

People can watch sports events on TV
Can people watch sports events on TV?
Can people can watch sports events on TV or on the Internet?
People can watch sports events on TV, can't they?
Who can watch sports events on TV?
What can people watch  on TV?

1. He moved to our city five years ago.
2. He already graduated from university for the moment.
3. Have you been preparing to the test? — Yes, I have repeated all materials tomorrow evening.
4. I saw Ann by the days. She have told me about our mutual friend. He have sent a letter to her.
5. When Peter came to the room, Nelly already have been cooking a lunch.
6. Nelly stayed at city last year's summer: she was sick.
7. Jane doesn’t wanted to listen to anyone. Students have never saw her so angry.
8. I have never seen mountains untill this summer when we made a trip to.