1. She sings a song every morning.
2. They play football after school.
3. I usually go to bed at ten o'clock.
4. She is studying for her exams right now.
5. They will travel to Japan next month.
6. I have finished my homework.
7. They were watching a movie when I arrived.
8. She has a cat.
9. They play chess every weekend.
10. I will help you with your English.
这些句子涵盖了不同的时态和动词形式，适合七年级学生的英语练习。希望对你有所帮助!