| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] have been [v-ing] on | 8 |
|
| 2 | if [pers pn] [verb] been [v-ing] on | 7 |
|
| 3 | if [pron] [vb past] been [v-ing] on | 5 |
|
