| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [prep] | 18310 |
|
| 2 | [verb] been approve [prep] | 159 |
|
| 3 | [vb past] [been] approve [prep] | 65 |
|
| 4 | [vb past] [be] approve [prep] | 65 |
|
| 5 | [vb past] be approve [prep] | 65 |
|
