VIII. Rewrite the following sentences beginning with the given words or using the suggested words.

Ex:       We switched off the lights before we went to bed.

→ Having switched off the lights, we went to bed.

1. She had been to disco the night before and she overslept in the morning.

→ ....................................................................................................................

2. We had worked in the garden all day and were sunburned in the evening.

→ ....................................................................................................................

3. The university started building a new campus in May. They are still building it. (since)

→ ....................................................................................................................

4. The graduate students started arriving at four o'clock. They are all in the lecture hall.

→ ....................................................................................................................