Exercise 2: Fill in the blanks with the correct form of the verb.
- If it _______ (rain) tomorrow, we will stay home.
- By the time you arrive, I _______ (finish) my homework.
- If I _______ (be) you, I would study harder.
- She _______ (work) in the office now.
- They _______ (live) here since 2015.
