1. had - went - ate - wrote - met - took
2. was walking - saw - said - walked
3. was going - saw ( như trên )
4. was hearing - walked - opened - was opening - saw - said - asked.
5. watched - was coming - watched
6. were waiting - arrived
7. were they playing - started
8. cried - was hearing
⇒ Ngoại trừ câu đầu tiên có yesterday nên dùng thì quá khứ đơn thì những câu còn lại dùng thì quá khứ tiếp diễn. Sự việc đang diễn ra chia thì quá khứ tiếp diễn, còn sự việc chen vào thì chia thì quá khứ đơn.