| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [been] [prep] [noun] | 70 |
|
| 2 | [vb past] [been] impose [prep] [noun] | 14 |
|
| 3 | [Wh det] [vb past] [been] impose [prep] | 12 |
|
