beforethe independent clause, like the sentence in the correct answer choice, you need to put a comma at the end of the dependent clause to separate the clauses. If you place the dependent clause at the end of the independent clause, you do not need a comma to show the separation. 31. "So that she could make a cake for her sister's birthday" is a dependent clause, meaning it cannot standalone. It needs to be added to an independent clause to be considered a sentence. By adding it to sentence 1, it modifies why Lucy went to the store. There are two ways to add a dependent clause to an independent clause. When you add the dependent clause to the end of the independent clause, like the sentence in the correct answer choice, you do not need a comma to separate the clauses. The words "so that" show the separation in clauses. You can also put the dependent clause before the independent clause and separate them with a comma. 32. "Since chocolate mousse icing is her sister's favorite" is a dependent clause, meaning it cannot standalone. It needs to be added to an independent clause to be considered a sentence. By adding it to sentence 4, it modifies why Lucy had to buy the book. There are two ways to add a dependent clause to an independent clause. When you place the dependent clause before the independent clause, like the sentence in the correct answer choice, you need to put a comma at the end of the dependent clause to separate the clauses. If you place the dependent clause at the end of the independent clause, you do not need a comma to show the separation. 33. A prepositional phrase has to relate back to the noun, verb, or adjective it describes. The only sentence that contains a clear relation between the phrase and the rest of the sentence is "Troy and Pablo practiced throwing the football to prepare for tryouts next week" The preposition "for" relates to for what Troy and Pablo were preparing. 34. "After he had the phone for one month" is a dependent clause, meaning it cannot standalone. It needs to be added to an independent clause to be considered a sentence. By adding it to sentence 4, it modifies when Derek and his parents met about his phone bill. There are two ways to add a dependent clause to an independent clause. When you place the dependent clause before the independent clause, like the sentence in the correct answer choice, you need to put a comma at the end of the dependent clause to separate the clauses. If you place the dependent clause at the end of the independent clause, you do not need a comma to show the separation. 35. First, you must identify the prepositional phrase, which is in most bookstores. In this sentence the prepositional phrase modifies the verb phrase can find. The prepositional phrase answers the question Where can you find It is an adverb phrase. 36. "Because Jacob was the best high school catcher in the city" is a dependent clause, meaning it cannot standalone. It needs to be added to an independent clause to be considered a sentence. By adding it to sentence 3, it modifies why Jacob would help his brother train. There are two ways to add a dependent clause to an independent clause. When you add the dependent clause to the end of the independent clause, like the sentence in the correct answer choice, you do not need a comma to separate the clauses. The word "because" shows the separation in clauses. You can also put the dependent clause before the independent clause and separate them with a comma.
37. When you read the two sentences, you can see that the only new information the second sentence adds is that Freddy's cousin was a usually well-behaved child. This extra information can be added as a nonrestrictive appositive phrase. Therefore, the correct answer choice is