| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] be | 31719 |
|
| 2 | [noun] be used | 6351 |
|
| 3 | [vb past] be used | 319 |
|
| 4 | [noun] [vb past] used | 256 |
|
