When you say I am the first of four children is it grammatically correct

Yes, the sentence "I am the first of four children" is grammatically correct.

Yes, the sentence "I am the first of four children" is grammatically correct. It clearly states that the person speaking is the eldest among four siblings.

Yes, the sentence "I am the first of four children" is grammatically correct. It is a clear and concise statement indicating that you are the eldest among four siblings. The sentence follows subject-verb agreement, and there is no grammar error present.

To confirm the grammatical correctness of a sentence, you can follow these steps:
1. Identify the subject and the verb in the sentence. In this case, the subject is "I" and the verb is "am."
2. Check if there is proper subject-verb agreement. In this case, "I am" matches correctly.
3. Analyze the rest of the components of the sentence. In this example, "the first of four children" functions as a noun phrase modifying "I."

By examining these elements, you can determine whether a sentence is grammatically correct or not.