Mixed Tenses - 03

Write the sentences in the correct tense.
1. They (not/to walk) to school last week.
2. They (to study) Chinese on Fridays.
3. They (not/to play) games every day.
4. He (to open) the door a moment ago.
5. We (to study) English for five years.
6. I (to visit) my grandparents next week.
7. I (not/to be) sad yesterday.
8. He (to open) the door right now.
9. We (have) a kind teacher.
10. She (not/to be) here two hours ago.