1. He will go to the country this summer.
Will he go to the country this summer?
Will he go to the country this summer or this winter?
He will go to the country this summer, won’t he?
Who will go to the country this summer?
When will he go to the country?
2. They are planning to have a holiday soon.
Are they planning to have a holiday soon?
Are they planning to have a holiday or weekend soon?
They are planning to have a holiday soon, aren’t they?
Who are planning to have a holiday soon?
When are they planning to have a holiday soon?
3. By the end of the year he has read about 20 books.
By the end of the year has he read about 20 books?
By the end of the year has he read about 20 books or 100 books?
By the end of the year he has read about 20 books, hasn’t he?
By the end of the year who has read about 20 books?
When has he read about 20 books?
1. Did (хотя does тоже грамматически верно)
2. did they take