| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] a | 18648 |
|
| 2 | [modal v] [be] [prep] | 14381 |
|
| 3 | [be] [prep] a | 2576 |
|
| 4 | [modal v] [prep] a | 325 |
|
