Here are the sentences reduced to present participle clauses:

1. **Playing** after the musician stopped, the audience stood up and clapped enthusiastically.
2. **Driving** in the rain, David's car got a flat tyre.
3. **Having** got all the ingredients, Mai made a delicious chicken curry for her friends.
4. **Trying** to do something hard, an American may say “Break a leg!” to wish someone luck.
5. **Straightening** her desk, Lan always leaves the office at the end of the day.
6. **Leaving** on his trip, Bob had a big raise from his manager.

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