| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be [vb pp] | 31468 |
|
| 2 | [modal v] be [vb pp] at | 3499 |
|
| 3 | [pron] [modal v] be at | 575 |
|
| 4 | [pron] be [vb pp] at | 15 |
|
