1. Incorrect: "I promise I'm being home by eleven o'clock."
Correct: "I promise I'll be home by eleven o'clock."
2. Incorrect: "He won't to help me do the gardening."
Correct: "He won't help me do the gardening."
3. Incorrect: "They're going learn English grammar."
Correct: "They're going to learn English grammar."
4. Incorrect: "Her friend will coming to visit later."
Correct: "Her friend will come to visit later."
5. Incorrect: "She is starting her new job next week?"
Correct: "Is she starting her new job next week?"
6. Incorrect: "My birthday party goes to be fantastic!"
Correct: "My birthday party is going to be fantastic!"