| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] a [noun] | 41385 |
|
| 2 | been a [noun] | 7184 |
|
| 3 | [vb base] been [noun] | 940 |
|
| 4 | [vb base] been a | 739 |
|
