Writing compound sentences that include a prepositional phrase - a quick tutorial!

Hi, 7th graders.

I'm seeing that there's some confusion with the Word Voyage sentence requirements for Lesson 6. Here are the instructions broken down for you:

1. Write a compound sentence.

2. Properly punctuate that compound sentence using a comma+conjunction or a semicolon.

3. Somewhere within that compound sentence, use a prepositional phrase.

4. Underline at least one prepositional phrase (you'll sometimes have more than one without even trying). 

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Here is an example of the right way to do this:

We hiked all day, and then we set up camp at the base of the mountain.

(This sentence has two independent clauses joined by a comma and a conjunction. There are also two prepositional phrases.)

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Here as an example of the wrong way to do this:

At the base of the mountain, we set up camp. 

(Even though this sentence has two prepositional phrases, it does not have two independent clauses, so it is not a compound sentence.)

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Here is a list of common prepositions, should you need it:   http://grammar.ccc.commnet.edu/grammar/preposition_list.htm

If you're feeling confused, remember you can always come see me BEFORE submitting your sentences - I recommend it!

​Happy Word Voyaging! :)

-Mrs. Liu​