Which sentence has proper subject-verb agreement?

Missouri and Illinois is states along the Mississippi River.
My sister and brother are responsible for cleaning the house this afternoon
The members of the French Club is aware of the details.
Hope, peace, and love is achievable for everyone.

My sister and brother are responsible for cleaning the house this afternoon.

The sentence with proper subject-verb agreement is: "My sister and brother are responsible for cleaning the house this afternoon."

The sentence that has proper subject-verb agreement is: "My sister and brother are responsible for cleaning the house this afternoon."

To determine subject-verb agreement, you need to ensure that the subject and the verb agree in number. In the case of the sentence above, the subject is "My sister and brother," which is a plural subject because it includes both "sister" and "brother." The verb "are" matches the plural subject, making the sentence grammatically correct.

Here's how you can identify subject-verb agreement in general:

1. Identify the subject: Find the noun or pronoun that the verb is referring to. In the examples you provided:

- "Missouri and Illinois" is the subject of the first sentence.
- "My sister and brother" is the subject of the second sentence.
- "The members of the French Club" is the subject of the third sentence.
- "Hope, peace, and love" is the subject of the fourth sentence.

2. Determine the number (singular or plural) of the subject: Look at the subject and check if it is singular (referring to one person or thing) or plural (referring to more than one person or thing).

3. Select the appropriate verb form: For singular subjects, use a singular verb form. For plural subjects, use a plural verb form.

- In the first sentence, "Missouri and Illinois" should be treated as plural, so the verb should be "are" instead of "is."
- In the second sentence, "My sister and brother" is plural, so the verb "are" agrees with it.
- In the third sentence, "The members of the French Club" is plural, so the verb should be "are" instead of "is."
- In the fourth sentence, "Hope, peace, and love" could be interpreted as either a singular or a plural subject. However, for subject-verb agreement, it is considered singular, so the verb should be "is achievable" instead of "are achievable."

By following these steps, you can identify proper subject-verb agreement in sentences.