| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to [art] | 20433 |
|
| 2 | [modal v] [be] [vb pp] to | 9702 |
|
| 3 | [modal v] [be] [vb pp] [art] | 2047 |
|
| 4 | [modal v] [be] to [art] | 141 |
|
