| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] | 555173 |
|
| 2 | [modal v] [be] [verb] | 170349 |
|
| 3 | [modal v] [verb] [prep] | 93266 |
|
| 4 | [modal v] [be] [prep] | 14387 |
|
