| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it be used | 38 |
|
| 2 | how it be used | 23 |
|
| 3 | [Wh adv] it is used | 23 |
|
| 4 | [Wh adv] it was used | 13 |
|
| 5 | where it be used | 7 |
|
| 6 | when it be used | 5 |
|
