| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it used to [be] | 13 |
|
| 2 | [Wh adv] it used to [be] | 13 |
|
| 3 | [Wh adv] it used to be | 13 |
|
| 4 | how it used to [be] | 8 |
|
| 5 | where it used to [be] | 5 |
|
