Indicate whether the following sentences are in the progressive or perfect aspect of the verb. Write PRA if it is in progressive tense and PEA if it is in perfect tense. 1. The teacher is delivering the lecture. 2. I understand what you are trying to tell me. 3. My father has just gone to bed. 4. We have stayed in the pool since 9 o'clock. 5. They are staying in London for a few days. 6. Please wait, I have written the report. 7. They are listening to music. 8. He will be writing a song about the man who lost his dog. 9. Her mother has lived there since 2001. 10. I have already ironed the t-shirts​