| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] have been [v-ing] | 2123 |
|
| 2 | [pers pn] have been [v-ing] at | 206 |
|
| 3 | [conj] [pers pn] have been at | 129 |
|
| 4 | [conj] have been [v-ing] at | 12 |
|
