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