When David ...... (arrive) at the party, his brother Andrew ...... (already/leave).
(Note: David came at 7.30 pm but Andrew went away at 7.15 pm)

When Angela ...... (start) to work on the second part of her exam, most of her classmates ...... (already/finish) both the parts.
(Note: Angela began to work on the second part at 8.36 am but most of her friends completed the second part at 8.30 am)

When my supervisor ...... (turn) on his computer, his colleagues ...... (already/power) up theirs.
(Note: the supervisor switched on the computer at 8.45 but his colleagues switched on their computers at 8.00)

When I ...... (move) in the flat, my neighbours ...... (give) my some lovely welcome presents.
(Note: First I came in, then they dropped in)

When Sally ...... (repair) her old blender, she ...... (want) to have a look at the washing machine.
(Note: First, Sally mended the blender, and then she took a strong interest in the washing machine)

David ...... (start) to feel really uncomfortable after he ...... (receive) a strange letter.

My nephew Marc ...... (buy) us some lovely presents before he ...... (pop) in at our place.

After Alex ...... (do) the dishes, he ...... (go) straight to bed. He felt really exhausted.

After Lilly ...... (get) married to her lovely fiance, she ...... (feel) unusually happy and content.

After their daughter ...... (die) a sudden death, the parents ...... (move) away from the village.

Before the tax officer ...... (go) for lunch, he ...... (have) a look at some of our financial accounts.

Before the washing machine ...... (stop) working properly, it ...... (wash) the last shirts and trousers perfectly.

Before the footballers ...... (win) their match, they ...... (train) very hard.

Before the computer ...... (crash) down, I ...... (print) out my last essay.

Before the sweet couple ...... (get) married, they ...... (be) on one date only.