| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] or [verb] | 5226 |
|
| 2 | [vb pp] [modal v] [verb] | 1674 |
|
| 3 | or [modal v] [verb] | 799 |
|
| 4 | [vb pp] or [modal v] | 91 |
|
