Question

6-10. this note has five errors in subject-verb agreement. use proofreading marks to correct the note.
to: my party advisor
i am celebrating my thirtieth birthday. my husband, the prince, and i has high expectations. people from all over the kingdom is coming for the party. there are a lot to do before then. first, either you or your assistants has the job of decorating the palace. the prince and i wants our palace to look exceptionally beautiful.

Explanation:

Subject-verb agreement requires a verb to match the number (singular/plural) of its subject.

1. For compound subjects "My husband, the prince, and I", use plural verb.
2. For plural subject "People", use plural verb.
3. For "either/or" structure, the verb matches the closer subject "assistants" (plural).
4. For compound subjects "The prince and I", use plural verb.
5. For the expletive structure "There are a lot to do", "a lot" refers to plural tasks, so plural verb is correct, but the error is actually in the original: "There are a lot to do" should align, but the fifth error is corrected by ensuring subject-verb match for the relevant phrase.

Answer:

1. Change "has" to "have" in: My husband, the prince, and I have high expectations.
2. Change "is" to "are" in: People from all over the kingdom are coming for the party.
3. Change "has" to "have" in: First, either you or your assistants have the job of decorating the palace.
4. Change "wants" to "want" in: The prince and I want our palace to look exceptionally beautiful.
5. (Note: The fifth error is confirmed as the correction to "There are a lot to do" is already correct, but the intended fifth fix is ensuring full alignment, so the corrected full note is:

To: My party advisor
I am celebrating my thirtieth birthday. My husband, the prince, and I have high expectations. People from all over the kingdom are coming for the party. There is a lot to do before then. First, either you or your assistants have the job of decorating the palace. The prince and I want our palace to look exceptionally beautiful.
(Changing "are" to "is" in "There are a lot to do" as "a lot" is treated as singular in this context for uncountable task volume, which is the fifth subject-verb agreement error.)