Write five sentences in natural order, then rewrite those sentences in the inverted order.

Here are example of five sentences in natural order.
1.  I have rarely seen a better movie.
2. The lack of safety measures become obvious only after the flood had taken place.
3. He hardly attends his lessons on time.
4. You will never do that again.
5. The bunny jumped up.

And here are the sentences in their inverted order:
1. Rarely have I seen a better movie.
2. Only after the flood had taken place did the lack of safety measures become obvious.
3. Hardly ever does he attend his lessons on time.
4. Never again will you do that.
5. Up jumped the bunny. 

Iwould say a but i don’t know what words are underlined