You performed in a play. After the performance, a teenager comes up to you to compliment you for your performance. You want to thank him for praising you, so you say this.
You're sending an email to a younger person who's applying for her first job out of college. She asked you if you think it's important to include a cover letter when she applies for jobs. You do think it's important, so this is what you write.
You are talking with a classmate about an assignment you have to do for the class. You don't remember when the deadline is. This is what you ask your classmate.
You're at a work party and talking with a coworker. You both start to talk about what you were like when you were students. You say this, remembering that you used to wait until the last minute to do homework assignments.
There is a school assignment due in two days. You are talking to your friend, who hasn't started working on the assignment. You are worried for your friend that she won't be able to finish it by the deadline. You ask her this.