| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be used [prep] | 235 |
|
| 2 | [vb mod] only be used [prep] | 131 |
|
| 3 | it [vb mod] only be [prep] | 49 |
|
| 4 | it [vb mod] only be used | 18 |
|
