| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [Wh adv] it used [prep] be | 5 |
|
| 2 | [is] [Wh adv] it used [prep] [be] | 5 |
|
| 3 | 's [Wh adv] it used [prep] [be] | 5 |
|
| 4 | [is] [Wh adv] it used to [be] | 5 |
|
| 5 | [is] [Wh adv] it used to [be] | 5 |
|
| 6 | [is] [Wh adv] it used [prep] [be] | 5 |
|
| 7 | [is] how it used [prep] [be] | 5 |
|
| 8 | [is] [Wh adv] it used [prep] be | 5 |
|
