1.What is the gate number?
2.Where is the boarding gate for this flight?
3.Please tell me the check-in procedures?
4.When do I have to check in?
5.How do I check in?
6.Which gate do I board at?
7.Would you please tell me the way to the boarding gate to Australia?
8.You should go to Gate 8 to board you plane.
9.Please wait in the departure lounge until boarding is announced.
10.Does this flight start boarding?
11.Where is the boarding gate for Paris?
12.How will I know when it is time to board?
13.Now can you wait until your flight is called?
14.You will have to show the boarding pass on your way to board the plane.
15.Just show your old ticket at the check-in counter.
16.Passengers must go to the waiting lounge before boarding a flight.
17.You'll be leaving from gate 5 on the eastern concourse.
18.How do I find gate 9 from here?
19.The check-in time is 17:00, in terminal 2.
20.How much hand baggage can I take with me?
21.What is the gate number of Flight 58 to Paris?
22.When is the boarding time?
(也可以这样说：What is the boarding time?)