| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] | 19916 |
|
| 2 | [verb] [v-ing] on | 1336 |
|
| 3 | [verb] been on | 1324 |
|
| 4 | been [v-ing] on | 585 |
|
