| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [v-ing] to [pron] | 9 |
|
| 2 | [vb mod] have been [v-ing] to [pron] | 9 |
|
| 3 | [vb mod] have been [v-ing] to [pers pn] | 5 |
|
