| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] only be [verb] | 162 |
|
| 2 | it [vb mod] be used [verb] | 130 |
|
| 3 | it [vb mod] only be used | 18 |
|
| 4 | [vb mod] only be used [verb] | 17 |
|
