Complete the sentences with words in the box in the correct form.
attack, be, have to, open, press, put, stop, use, want, take.

If youto go to the town hall, you can __ the number 10 bus
If you __that button, the doors __
If you __public transport, you __buy a ticket first
Taxis__if you __your hand up
If dogs __frightened, they are often__