Answer: present participle phrase
Explanation: <em>Jumping across the ditch</em>, the fire threatened our house.
<u>Jumping</u> is the present participle. It describes the action of the fire, it ends in "ing" but it is not the main verb in the sentence.
Answer:
"Please be quiet" is more appropriate.
Add-on:
sorry if that was no use to to you at all.
Going overboard, excessive, overabundant, to the extreme, overdone?