| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] have been at [det] | 9 |
|
| 2 | [pron] [modal v] have been at [det] | 9 |
|
| 3 | [pers pn] [modal v] have been at [det] | 8 |
|
