| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] on | 4385 |
|
| 2 | [be] [vb pp] on a | 3288 |
|
| 3 | [modal v] [be] [vb pp] a | 886 |
|
| 4 | [modal v] [be] on a | 138 |
|
