| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] [be] | 5048 |
|
| 2 | or [modal v] [be] | 594 |
|
| 3 | or [prep] [be] | 270 |
|
| 4 | or [modal v] [prep] | 34 |
|
