| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [prep] | 10766 |
|
| 2 | [to-vb] be [prep] | 541 |
|
| 3 | [to-vb] be used | 55 |
|
| 4 | [to-vb] used [prep] | 5 |
|
