1. The giggling clown terrified me.

2. Whistling, she ate her giant bowl of peas.

3.  Dribbling the basketball with skill and speed,  Dribbling the basketball with skill and speed, Jason moved the length of the court in just a few seconds.

4. excited to hear the new Justin Beiber album for the first time. Isabella smiled and felt warm and tingly, excited to hear the new Justin Beiber album for the first time.

5.  A participle is a verb functioning as an adjective.  A participle can be in the present tense (-ing) or the past (-ed).  A participle (or participial) phrase consists of a participle and any other words modifying that participle.