| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] been [v-ing] | 657 |
|
| 2 | who [vb past] been [v-ing] | 528 |
|
| 3 | who [vb past] [adv] been | 482 |
|
| 4 | who [vb past] [adv] [v-ing] | 65 |
|
