| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pers pn] have been [v-ing] | 752 |
|
| 2 | what [pers pn] have been [v-ing] | 403 |
|
| 3 | [pron] what [pers pn] have been | 35 |
|
| 4 | [pron] what have been [v-ing] | 11 |
|
