| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [art] | 31324 |
|
| 2 | to be [art] | 21406 |
|
| 3 | [modal v] to be | 4612 |
|
| 4 | [modal v] to [art] | 85 |
|
