1. Nick is not playing his guitar/now.
2. I am /cleaning/my kitchen/at the moment.
3. Lucy is/learning/English/at present.
4. My parents are /helping/to plant trees/now.
5. Bob/is writing a letter/at present.
6. We are sending a telegram/now.
7. Alex is repairing his computer/at present.
8. My dad is driving his car/at the moment.