Which sentences have mistakes? Part 5

These are the sentences which have mistakes. Here's what's wrong:

1. The preposition to is not needed; however, it can be placed at the end: "Where are you going to?"
2. We use has + past participle verbs. The correct sentence should be "She has bought a new bag" (present perfect tense) or "She bought a new bag" (past simple).
3. She (third person singular) takes does not do, therefore, the sentence should be "She doesn't remember me".
4. This sentence uses a 'double-negative' (two negatives in a sentence is not good grammar). Instead of "I don't want to go nowhere", the correct sentence should be "I don't want to go anywhere".
5. The last sentence is correct.