| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [v-ing] [noun] | 187 |
|
| 2 | have been [v-ing] on [noun] | 98 |
|
| 3 | [noun pl] have been on [noun] | 40 |
|
| 4 | [noun pl] have been [v-ing] on | 40 |
|
