| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been a [adj] | 679 |
|
| 2 | 's been a [adj] | 348 |
|
| 3 | 's [adv] been a | 135 |
|
| 4 | 's [adv] been [adj] | 112 |
|
