1.   The lights changed to green, and the motorbike sped off.

2.   The lights changed and I let in the clutch.

3.   Ahead the lights had changed and the line of traffic was slowing down.

4.   The lights changed and the truck pulled off with Chase trying to keep his balance and looking thoroughly bemused.

5.   The lights had changed to green but nobody was going anywhere unless I moved.

6.   The lights changed to green and the traffic began to back up.

7.   In thunderous silence he raced to the traffic lights and had to brake hard as the lights changed.

8.   The lights changed, Gabriel pulled away.

9.   And because the lights have changed, the rules for hanging them have changed a bit as well.