| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] | 151916 |
|
| 2 | to be [vb pp] | 82961 |
|
| 3 | [modal v] to be | 4613 |
|
| 4 | [modal v] to [vb pp] | 36 |
|
