Here’s an exercise to practice the past continuous with when and while:

Fill in the blanks with the correct form of the verbs in parentheses.

1. I __________ (watch) TV when the phone __________ (ring).
2. She __________ (walk) to work when it __________ (start) to rain.
3. While we __________ (have) dinner, the lights __________ (go) out.
4. He __________ (drive) to the office when he __________ (see) an accident.
5. While they __________ (play) football, their mom __________ (call) them.
6. I __________ (study) when my brother __________ (come) home.
7. While the teacher __________ (explain) the lesson, some students __________ (talk).
8. We __________ (sleep) when we __________ (hear) a loud noise outside.
9. While she __________ (cook), her husband __________ (set) the table.
10. I __________ (read) a book when my friend __________ (arrive).

Answer Key:

1. was watching – rang
2. was walking – started
3. were having – went
4. was driving – saw
5. were playing – called
6. was studying – came
7. was explaining – were talking
8. were sleeping – heard
9. was cooking – was setting
10. was reading – arrived

Let me know if you need more exercises or explanations! 😊