| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [det] [noun] [prep] | 140 |
|
| 2 | [verb] [been] [det] discussion [prep] | 24 |
|
| 3 | [vb past] [been] [adj] discussion [prep] | 7 |
|
| 4 | [vb past] [be] [det] discussion [prep] | 6 |
|
