| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] been | 10014 |
|
| 2 | [vb -s] often been | 299 |
|
| 3 | [vb -s] [adv] often | 128 |
|
| 4 | [adv] often been | 50 |
|
