| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 'd been [vb pp] | 1048 |
|
| 2 | 'd [vb pp] [det] | 935 |
|
| 3 | been [vb pp] [det] | 831 |
|
| 4 | 'd been [det] | 40 |
|
