Dưới đây là các câu hoàn chỉnh với động từ được chia đúng thì:

1. **She paid for her ticket and (leave):**
- She paid for her ticket and **left**.

2. **I closed the door quietly because he (try) to sleep:**
- I closed the door quietly because he **was trying** to sleep.

3. **How many times (he call) since he came to New York:**
- How many times **has he called** since he came to New York?

4. **I (know) about this for some time now:**
- I **have known** about this for some time now.

5. **They (watch) television - their favorite programme is on at the moment:**
- They **are watching** television - their favorite programme is on at the moment.

6. **I wanted to be the first to tell her the news, but I was too late. Someone (already tell) her:**
- I wanted to be the first to tell her the news, but I was too late. Someone **had already told** her.

7. **The children are filthy. Where...? (They be):**
- The children are filthy. Where **have they been**?

8. **I'm going to bed. I (work) for hours and I'm tired:**
- I'm going to bed. I **have been working** for hours and I'm tired.

9. **I think she's the nicest person I (ever meet):**
- I think she's the nicest person I **have ever met**.

10. **Mary was cleaning the windscreen when she (notice) a crack in the glass:**
- Mary was cleaning the windscreen when she **noticed** a crack in the glass.

11. **I couldn't open the office door because someone (lock) it:**
- I couldn't open the office door because someone **had locked** it.

12. **I agree. I (not think) you should apologize:**
- I agree. I **don't think** you should apologize.