| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adj] | 31667 |
|
| 2 | been [det] | 3085 |
|
| 3 | [be] several | 1805 |
|
| 4 | be several | 1805 |
|
| 5 | [been] several | 139 |
|
| 6 | been several | 139 |
|
