| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] | 151904 |
|
| 2 | be [vb pp] [prep] | 135598 |
|
| 3 | [modal v] be [prep] | 14380 |
|
| 4 | [modal v] [vb pp] [prep] | 37 |
|
