| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [det] [noun] | 1557 |
|
| 2 | been [det] [noun sg] | 1122 |
|
| 3 | be [det] concern | 55 |
|
| 4 | [be] [det] concern | 55 |
|
| 5 | been [adj] concern | 31 |
|
| 6 | [been] [det] concern | 12 |
|
| 7 | been [det] concern | 12 |
|
