| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] at | 3499 |
|
| 2 | [modal v] [be] [vb pp] a | 886 |
|
| 3 | [be] [vb pp] at a | 518 |
|
| 4 | [modal v] [be] at a | 80 |
|
