1. I usually do, but I didnt play chess last Saturday
2. She usually does, but she didnt go shopping (ce iti da in paranteza ca aici nu ai scris)
3. I do, but I didnt write Peter a letter last Friday
4. I usually do, but the day before yesterday I didnt
5. He usually does, but he didnt go last Saturday
6. He usually is, but he wasnt tired yesterday