| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [be] | 15574 |
|
| 2 | [modal v] [prep] [be] | 5048 |
|
| 3 | [det] [prep] [be] | 1633 |
|
| 4 | [det] [modal v] [prep] | 311 |
|
