1. We have to have too much after the 9th grade.
2. My cousin wants to have a party next week. It'll be his birthday.
3. My friend had to fall out/argue with my sister because we usually get on well last month, so now he lives in a different area.
4. I don't want to disagree with my sister because we usually get on well.
5. Sometimes students throw homework at the end of the week.