Possibly, review, edit, practice word-for-word, & time the sections. Consider doing like a good one I saw did: simplicity, clarity, sincerity, testimony.

• (Unsure if that is worthwhile--if it is big, and you can't be flexible to add/skip during it from the outline, maybe it should be fully written out & timed.)
• Review/practice it a few times mentally, so it is largely (all?)memorized, so you can look at the people and listen to/respond to the Spirit instead of reading.
• If possible give it some time (hours or days), then repeat/review/edit as per the above, practice more, pray more.