5 Change each sentence into the negative and interrogative form.
1 We shall catch a bus to the railway station.
2 Yesterday evening the doorman at the hotel took our suitcases
and pointed the way to the desk-clerk.
3 Her friends will take a taxi to the airport in twenty minutes.
4 Mark often travelled on business last year.
5 They have just arrived.
6 We had a pleasant and enjoyable voyage on the Black Sea
last summer
7 She has been to Spain already.​

We shall not catch a bus to the railway station.

Shall we catch a bus to the railway station?

Yesterday evening the doorman at the hotel didn't take our suitcases.

Did the doorman take our suitcases at the hotel yesterday evening?

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?

Mark didn't often travel on business last year.

Did Mark often travel on business last year?

They have not just arrived.

Have they just arrived?

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?

She has not been to Spain already.

Has she been to Spain already?