| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [art] | 31336 |
|
| 2 | [be] to [art] | 1759 |
|
| 3 | [modal v] [be] to | 431 |
|
| 4 | [modal v] to [art] | 85 |
|
