| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [be] [vb pp] | 11377 |
|
| 2 | [modal v] [prep] [be] [vb pp] | 1023 |
|
| 3 | [modal v] be [prep] [be] | 24 |
|
| 4 | [modal v] be [be] [vb pp] | 6 |
|
