1 London (change) __________a lot since we first (come) __________ to live here.
2. While we (talk) __________on the phone the children (start) __________fighting and (break) __________a window
3. I (spend) __________ a lot of time travelling since I (get) __________this new job.
4. After he (finish) __________ breakfast he (sit) __________down to write some letters.