2) present simple :
Sell
Is
Doesn't work
Can
Have lunch
Gets
Past simple :
Didn't go
Might
Enjoyed
Lost
Was
Stole
Present perfect :
Have been
Has offered
Hasn't bought
3) 1 It's only two bus stops .
2 In case of emergency phone the police .
3 We have already visited that exhibition.
4 You should go to the nurse If you broke your high heels.
5 Has she bought the tickets yet?
6 We stayed in this room last year.
7 Our restaurant opens at 8 p.m. so I must get up early.
8 The Castle is over there.
9 The only thing I can do is to speak to the manager.
10 I can't see anything because I've broken my glasses.