We know that 'migrate' means to move. So since that, we need to add the -ing, and we know that we end up with the meaning "moving".
So migrating means moving from one place to another.
Answer:1.)We saw a flock of birds on the way to the library.
2.) The torn's student paper was lying on the desk.
3.)Fatima, worked hard this week.Resting today the sense of calm felt nice.
4.)I delivered my report to the school's newspaper.Smiling with relief, it arrived just before the deadline.
Explanation:
And i cant do task 2 because i don't know your dream in the future. But i hope that helps