Grammar 1: The "There" of Despair

For 1 point, what is the grammatically incorrect use of the word "there"?

1. Using "there" as a verb in "I threw the ball there."
2. Inserting a period after "there" in "The cat is over there."
3. Saying "I went there" instead of "I went to there."

See more examples of the grammatical abyss we all slide into