Помогите ПЖ! ДАЮ 10 БАЛЛОВ

1 We shall not catch a bus to the railway station
   Shall we catch a bus to the railway station?
2 Yesterday evening the doorman at the hotel didn't take our suitcases and  didn't point the way to the desk-clerk
   Did the doorman at the hotel take our suitcases and point the way to the desk-clerk yesterday evening?
3 Her friends will not take a taxi to the airport in twenty minutes
   Will her friends take a taxi to the airport in twenty minutes?
4 Mark didn't often travell on business last year
   Did Mark often travelled on business last year?
5 They haven't just arrived
    Have they just arrived?
6 We had not a pleasant and enjoyable voyage on the Black sea last summer
  Did we have a pleasant and enjoyable voyage on the Black sea last summer?
7 She hasn't been to Spain yet
   Has she been to Spain already?