"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
Answer:
yes it does
Explanation:
is make a contribute to 1 make the speech longer and 2 to make a point
