| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [conj] | 14698 |
|
| 2 | be [vb pp] [conj] [art] | 4920 |
|
| 3 | [modal v] be [vb pp] [art] | 2046 |
|
| 4 | [modal v] be [conj] [art] | 704 |
|
