Correct the mistakes. write the correct sentences. 1. i*m oldest than my brother. 2. my birthday is on twenty-one of april. 3. to day is my mum birthday. 4. my mum happy today. 5. she is going have a birthay parti.

1. I'm OLDER than my brother
2. My birthday is on twenty-FIRST of April
3. TODAY is my mum birthday
4. My mum IS happy today
5. She is going TO have a birthday party