What sentences has a helping verb she swam across the lake her brother paddled canoe had rested on dock he went home late?

Here's a breakdown of the sentences and their helping verbs:

* She swam across the lake. (No helping verb, "swam" is the main verb)

* Her brother paddled a canoe. (No helping verb, "paddled" is the main verb)

* Had rested on the dock. (Helping verb is "had")

* He went home late. (No helping verb, "went" is the main verb)

Key Points about Helping Verbs:

* Helping verbs (also called auxiliary verbs) assist the main verb in a sentence.

* Common helping verbs include: *be*, *have*, *do*, *will*, *shall*, *can*, *could*, *may*, *might*, *must*.

* They help express tense, mood, or voice.

Let me know if you have any other sentences you'd like to analyze!