| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [prep] | 14387 |
|
| 2 | [prep] [be] [prep] | 10671 |
|
| 3 | [modal v] [prep] [be] | 5048 |
|
| 4 | [modal v] [prep] [prep] | 82 |
|
