| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [det] [noun] | 1557 |
|
| 2 | be [det] discussion | 68 |
|
| 3 | [be] [det] discussion | 68 |
|
| 4 | been [adj] discussion | 50 |
|
| 5 | [been] [det] discussion | 33 |
|
