Sentence 9: Moreover,how couples discuss their problems was equally important.

what correction should be made to this sentence?

1. remove the comma after moreover
2. change discuss to discussed
3. replace their with there
4. change was to were
5. change was to is

5 ?

Yes, 5. :-)

To determine the correct answer, let's analyze the sentence:

"Moreover, how couples discuss their problems was equally important."

Upon analysis, we can identify that the phrase "how couples discuss their problems" is the subject of the sentence, and the verb "was" is referring to it. Since the subject is plural ("couples"), the correct form of the verb should also be plural. So, option 4 ("change was to were") is the correct answer.

Therefore, the sentence should be corrected as follows:

"Moreover, how couples discuss their problems were equally important."