Answer:
The children promised <em><u>to </u></em><em><u>be</u></em> back by mine.
The grammatical name is Conjunctional Clause and the subject housewife supplements the conjunction a/an
Do you have the excerpt? Nobody can help you if you don't give the excerpt
Answer:
The old house made creaking sounds.
A bicycle danced as i rode it.
Your cellphone sang as the ringtone went off.
My stapler clapped as i stapled my papers.
A sprinkler hissed as it shot out water.