| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [vb pp] a [noun] | 5521 |
|
| 2 | [vb -s] been a [noun] | 1664 |
|
| 3 | been [vb pp] a [noun] | 692 |
|
| 4 | [vb -s] been [vb pp] [noun] | 420 |
|
| 5 | [vb -s] been [vb pp] a | 397 |
|
