| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been a [noun sg] | 862 |
|
| 2 | 's been a [noun sg] | 319 |
|
| 3 | 's [adv] been a | 128 |
|
| 4 | 's [adv] been [noun sg] | 14 |
|
