| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [been] [v-ing] | 1167 |
|
| 2 | [adv] [v-ing] on | 564 |
|
| 3 | [been] [v-ing] on | 450 |
|
| 4 | [adv] [been] on | 17 |
|
