| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [been] [verb] | 15899 |
|
| 2 | 's [been] [verb] | 2966 |
|
| 3 | 's [adv] [verb] | 1372 |
|
| 4 | 's [adv] [been] | 933 |
|
