She was talking on the phone ... I arrived.
when
She began cooking ... I was finishing my homework.
while
... I hear from Tom, I will give you a call
As soon as
... I see her, I say hello.
Whenever
... it stops raining, we will leave.
As soon as / When
I will leave ... he comes.
before
... the guard was talking to the woman, the burglars broke into the bank.
While
We phoned the police ... we saw the broken door.
as soon as
The detective waited ... the criminals had left the building.
until
... anyone realised what was happening, the criminal had escaped.
Before
I ...(not / believe) he's guilty until I see the evidence.
won't believe
Don't worry. The thief ... (get) caught as soon as he tries to leave the country.
will get
The detective ... (phone) us when he has the information.
will phone
Don't use a mobile phone ... you're riding a bike.
while
Turn on the bike lights as soon as it ... (get) dark.
gets
We ... (not / go out) until you clean your room.
won't go out
