| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] have been [v-ing] | 2123 |
|
| 2 | what [pers pn] have been [v-ing] | 403 |
|
| 3 | [conj] what [pers pn] have been | 28 |
|
| 4 | [conj] what have been [v-ing] | 9 |
|
