What short sentences with complex verb group?

1. She had been studying all night before the exam.
2. They will have been working on the project for weeks.
3. I am going to have to finish this report by tomorrow.
4. He should have been practicing his presentation instead of watching TV.
5. We would have been able to finish on time if we had started earlier.

1. The children have been playing in the backyard all afternoon.
2. The workers had finished the project by the end of the week.
3. The students were studying for their exam when the fire alarm went off.
4. The car was parked in the driveway when the accident happened.
5. The dog had been barking at the mailman for hours before he finally went away.
6. The soup had simmered on the stove all day, filling the house with its delicious aroma.
7. The flowers had bloomed in the garden, attracting a variety of colorful butterflies.
8. The birds were singing in the trees, their cheerful melodies filling the morning air.
9. The storm had raged for hours, leaving behind a trail of destruction.
10. The snow had melted in the sun, revealing the lush green grass beneath.