| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] 've been [verb] [det] | 7 |
|
| 2 | what [pers pn] 've been [verb] [det] | 7 |
|
| 3 | what [pers pn] 've been [verb] [det] | 7 |
|
| 4 | [pron] [pers pn] 've been [v-ing] [det] | 6 |
|
