| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to be use | 10 |
|
| 2 | be [vb pp] [prep] be use | 10 |
|
| 3 | be [vb pp] to be use | 10 |
|
| 4 | be [vb pp] [prep] be used | 7 |
|
