1.
1) Did we receive this letter from the Continental Equipment last week? (общий)
2) What did we receive from the Continental Equipment last week? (специальный)
3) Did we receive the letter from the Continental Equipment or the package? (альтернативный)
4) We received this letter from the Continental Equipment last week, didn't we? (разделительный)
2.
1) Does he usually drink coffee for breakfast? (общий)
2) What does he usually drink for breakfast? (спец.)
3) Does he usually drink coffee for breakfast or for dinner? (альтернативный)
4) Нe usually drinkы coffee for breakfast, doesn't he? (разделительный)
3.
1) Will they go to the mountains next summer ? (общий)
2) Where will they go next summer? (спец.)
3) Will they go to the mountains next summer or this summer? (альтернативн.)
4) They go to the mountains next summer, won't they? (разделительный)
4.
1) Are they discussing the terms of delivery? (общий)
2)What are they discussing? (специальный)
3) Are they discussing the terms of delivery or are they just arguing? (альтернативный)
4) They are discussing the terms of delivery, anre't they? (раздел)