| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] [modal v] [be] | 914 |
|
| 2 | [prep] [det] [modal v] [be] | 914 |
|
| 3 | of [adj] [modal v] [be] | 601 |
|
| 4 | of [det] [modal v] [be] | 493 |
|
