| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] 's been [verb] [prep] | 7 |
|
| 2 | when [pers pn] 's been [verb] for | 5 |
|
| 3 | when it 's been [verb] [prep] | 5 |
|
| 4 | when [pers pn] 's been [v-ing] [prep] | 5 |
|
