Aim to keep everything factual and based on reality
One reason for making a new outline of your work while revising is to make sure that all the new and necessary information you need to edit and put in (or maybe delete as well) are included in your work. This is to minimize wasting of the time and leaving out important details in the revision.
Answer:
The children promised <em><u>to </u></em><em><u>be</u></em> back by mine.
<span>What did Mark Twain dream of becoming when he was a boy?
</span>a deckhand